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Finding the Fourth Proportional to 731.24, 1,096.86 and 244.28

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Solution

The fourth proportional to 731.24, 1,096.86 and 244.28 is: 366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.24 : 1,096.86 = 244.28 : x
  2. Step 2: Convert to fraction form
    731.24/1,096.86 = 244.28/x
  3. Step 3: Cross multiply
    731.24x = 1,096.86 × 244.28
  4. Step 4: Simplify right side
    731.24x = 267,940.96
  5. Step 5: Solve for x
    x = 267,940.96/731.24
  6. Step 6: Final answer
    x = 366.42

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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.