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Finding the Fourth Proportional to 1,001,691.52, 1,502,592 and 253,744

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Solution

The fourth proportional to 1,001,691.52, 1,502,592 and 253,744 is: 380,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,691.52 : 1,502,592 = 253,744 : x
  2. Step 2: Convert to fraction form
    1,001,691.52/1,502,592 = 253,744/x
  3. Step 3: Cross multiply
    1,001,691.52x = 1,502,592 × 253,744
  4. Step 4: Simplify right side
    1,001,691.52x = 381,273,704,448
  5. Step 5: Solve for x
    x = 381,273,704,448/1,001,691.52
  6. Step 6: Final answer
    x = 380,629.86

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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.