Evaluate
18\sqrt{1461}\approx 688.01453473
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18\sqrt{1461}
Factor 473364=18^{2}\times 1461. Rewrite the square root of the product \sqrt{18^{2}\times 1461} as the product of square roots \sqrt{18^{2}}\sqrt{1461}. Take the square root of 18^{2}.
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