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Finding the Fourth Proportional to 552,572.10, 826,784.55 and 502,805.70

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Solution

The fourth proportional to 552,572.10, 826,784.55 and 502,805.70 is: 752,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,572.10 : 826,784.55 = 502,805.70 : x
  2. Step 2: Convert to fraction form
    552,572.10/826,784.55 = 502,805.70/x
  3. Step 3: Cross multiply
    552,572.10x = 826,784.55 × 502,805.70
  4. Step 4: Simplify right side
    552,572.10x = 415,711,984,411.94
  5. Step 5: Solve for x
    x = 415,711,984,411.94/552,572.10
  6. Step 6: Final answer
    x = 752,321.71

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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.