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Finding the Fourth Proportional to 732.71, 1,098.12 and 548.66

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Solution

The fourth proportional to 732.71, 1,098.12 and 548.66 is: 822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.71 : 1,098.12 = 548.66 : x
  2. Step 2: Convert to fraction form
    732.71/1,098.12 = 548.66/x
  3. Step 3: Cross multiply
    732.71x = 1,098.12 × 548.66
  4. Step 4: Simplify right side
    732.71x = 602,494.52
  5. Step 5: Solve for x
    x = 602,494.52/732.71
  6. Step 6: Final answer
    x = 822.28

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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.