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Finding the Fourth Proportional to 732.72, 1,097.34 and 559.17

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Solution

The fourth proportional to 732.72, 1,097.34 and 559.17 is: 837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.72 : 1,097.34 = 559.17 : x
  2. Step 2: Convert to fraction form
    732.72/1,097.34 = 559.17/x
  3. Step 3: Cross multiply
    732.72x = 1,097.34 × 559.17
  4. Step 4: Simplify right side
    732.72x = 613,599.61
  5. Step 5: Solve for x
    x = 613,599.61/732.72
  6. Step 6: Final answer
    x = 837.43

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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.