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Finding the Fourth Proportional to 732.43, 1,098.04 and 488.22

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Solution

The fourth proportional to 732.43, 1,098.04 and 488.22 is: 731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.43 : 1,098.04 = 488.22 : x
  2. Step 2: Convert to fraction form
    732.43/1,098.04 = 488.22/x
  3. Step 3: Cross multiply
    732.43x = 1,098.04 × 488.22
  4. Step 4: Simplify right side
    732.43x = 536,085.09
  5. Step 5: Solve for x
    x = 536,085.09/732.43
  6. Step 6: Final answer
    x = 731.93

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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.