You can match one channel's prices to other channels.
First, select the channel you want to adjust the prices, then go to channel settings;
Menu > Channel > Channel Settings> Common click on Pricing Tab and find Price Match drop down Menu.
In the drop-down menu find and select the master channel you want to set your prices to and select the channel.
System synchronizes all data in selected intervals with channels. Any change in price can be identified and updated in these cycles.