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Finding the Fourth Proportional to 453,372.48, 679,614.96 and 168,854.16

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Solution

The fourth proportional to 453,372.48, 679,614.96 and 168,854.16 is: 253,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,372.48 : 679,614.96 = 168,854.16 : x
  2. Step 2: Convert to fraction form
    453,372.48/679,614.96 = 168,854.16/x
  3. Step 3: Cross multiply
    453,372.48x = 679,614.96 × 168,854.16
  4. Step 4: Simplify right side
    453,372.48x = 114,755,813,194.23
  5. Step 5: Solve for x
    x = 114,755,813,194.23/453,372.48
  6. Step 6: Final answer
    x = 253,115.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.