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Finding the Fourth Proportional to 732.98, 1,097.72 and 424.19

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Solution

The fourth proportional to 732.98, 1,097.72 and 424.19 is: 635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.98 : 1,097.72 = 424.19 : x
  2. Step 2: Convert to fraction form
    732.98/1,097.72 = 424.19/x
  3. Step 3: Cross multiply
    732.98x = 1,097.72 × 424.19
  4. Step 4: Simplify right side
    732.98x = 465,634.24
  5. Step 5: Solve for x
    x = 465,634.24/732.98
  6. Step 6: Final answer
    x = 635.27

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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.