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Finding the Fourth Proportional to 732.95, 1,097.99 and 424.61

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Solution

The fourth proportional to 732.95, 1,097.99 and 424.61 is: 636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.95 : 1,097.99 = 424.61 : x
  2. Step 2: Convert to fraction form
    732.95/1,097.99 = 424.61/x
  3. Step 3: Cross multiply
    732.95x = 1,097.99 × 424.61
  4. Step 4: Simplify right side
    732.95x = 466,215.41
  5. Step 5: Solve for x
    x = 466,215.41/732.95
  6. Step 6: Final answer
    x = 636.08

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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.