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Finding the Fourth Proportional to 732.28, 1,097.46 and 424.24

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Solution

The fourth proportional to 732.28, 1,097.46 and 424.24 is: 635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.28 : 1,097.46 = 424.24 : x
  2. Step 2: Convert to fraction form
    732.28/1,097.46 = 424.24/x
  3. Step 3: Cross multiply
    732.28x = 1,097.46 × 424.24
  4. Step 4: Simplify right side
    732.28x = 465,586.43
  5. Step 5: Solve for x
    x = 465,586.43/732.28
  6. Step 6: Final answer
    x = 635.80

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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.