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Finding the Fourth Proportional to 731.22, 1,096.80 and 244.14

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Solution

The fourth proportional to 731.22, 1,096.80 and 244.14 is: 366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.22 : 1,096.80 = 244.14 : x
  2. Step 2: Convert to fraction form
    731.22/1,096.80 = 244.14/x
  3. Step 3: Cross multiply
    731.22x = 1,096.80 × 244.14
  4. Step 4: Simplify right side
    731.22x = 267,772.75
  5. Step 5: Solve for x
    x = 267,772.75/731.22
  6. Step 6: Final answer
    x = 366.20

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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.