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Balance point on a non-traditional ski is usually in front of centre, due to the wider tip and often slightly thicker core in front of the binding. Just throwing it out there...
But then you can blu-tac the binding on the ski and try to balance it that way... but then you really ought to clip a boot in and balance that too... at which point it gets quite ridiculous.
To OP... it'll probably be fine, but if it's not it shouldn't be a big deal to re-mount a few cm forward.