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Finding the Fourth Proportional to 732.25, 1,098.01 and 269.97

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Solution

The fourth proportional to 732.25, 1,098.01 and 269.97 is: 404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.25 : 1,098.01 = 269.97 : x
  2. Step 2: Convert to fraction form
    732.25/1,098.01 = 269.97/x
  3. Step 3: Cross multiply
    732.25x = 1,098.01 × 269.97
  4. Step 4: Simplify right side
    732.25x = 296,429.76
  5. Step 5: Solve for x
    x = 296,429.76/732.25
  6. Step 6: Final answer
    x = 404.82

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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.