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Finding the Fourth Proportional to 732.68, 1,096.28 and 424.68

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Solution

The fourth proportional to 732.68, 1,096.28 and 424.68 is: 635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.68 : 1,096.28 = 424.68 : x
  2. Step 2: Convert to fraction form
    732.68/1,096.28 = 424.68/x
  3. Step 3: Cross multiply
    732.68x = 1,096.28 × 424.68
  4. Step 4: Simplify right side
    732.68x = 465,565.94
  5. Step 5: Solve for x
    x = 465,565.94/732.68
  6. Step 6: Final answer
    x = 635.43

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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.