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Finding the Fourth Proportional to 731.97, 1,097.69 and 293.32

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Solution

The fourth proportional to 731.97, 1,097.69 and 293.32 is: 439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.97 : 1,097.69 = 293.32 : x
  2. Step 2: Convert to fraction form
    731.97/1,097.69 = 293.32/x
  3. Step 3: Cross multiply
    731.97x = 1,097.69 × 293.32
  4. Step 4: Simplify right side
    731.97x = 321,970.95
  5. Step 5: Solve for x
    x = 321,970.95/731.97
  6. Step 6: Final answer
    x = 439.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.