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Finding the Fourth Proportional to 732.27, 1,099.17 and 424.73

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Solution

The fourth proportional to 732.27, 1,099.17 and 424.73 is: 637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.27 : 1,099.17 = 424.73 : x
  2. Step 2: Convert to fraction form
    732.27/1,099.17 = 424.73/x
  3. Step 3: Cross multiply
    732.27x = 1,099.17 × 424.73
  4. Step 4: Simplify right side
    732.27x = 466,844.98
  5. Step 5: Solve for x
    x = 466,844.98/732.27
  6. Step 6: Final answer
    x = 637.53

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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.