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Finding the Fourth Proportional to 474,737.92, 654,843.24 and 293,505.28

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Solution

The fourth proportional to 474,737.92, 654,843.24 and 293,505.28 is: 404,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,737.92 : 654,843.24 = 293,505.28 : x
  2. Step 2: Convert to fraction form
    474,737.92/654,843.24 = 293,505.28/x
  3. Step 3: Cross multiply
    474,737.92x = 654,843.24 × 293,505.28
  4. Step 4: Simplify right side
    474,737.92x = 192,199,948,512.31
  5. Step 5: Solve for x
    x = 192,199,948,512.31/474,737.92
  6. Step 6: Final answer
    x = 404,854.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.