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Finding the Fourth Proportional to 552,472.92, 762,389.82 and 307,447.92

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Solution

The fourth proportional to 552,472.92, 762,389.82 and 307,447.92 is: 424,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,472.92 : 762,389.82 = 307,447.92 : x
  2. Step 2: Convert to fraction form
    552,472.92/762,389.82 = 307,447.92/x
  3. Step 3: Cross multiply
    552,472.92x = 762,389.82 × 307,447.92
  4. Step 4: Simplify right side
    552,472.92x = 234,395,164,388.17
  5. Step 5: Solve for x
    x = 234,395,164,388.17/552,472.92
  6. Step 6: Final answer
    x = 424,265.44

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1.5x scale

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.