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Finding the Fourth Proportional to 729.38, 1,094.04 and 267.16

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Solution

The fourth proportional to 729.38, 1,094.04 and 267.16 is: 400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.38 : 1,094.04 = 267.16 : x
  2. Step 2: Convert to fraction form
    729.38/1,094.04 = 267.16/x
  3. Step 3: Cross multiply
    729.38x = 1,094.04 × 267.16
  4. Step 4: Simplify right side
    729.38x = 292,283.73
  5. Step 5: Solve for x
    x = 292,283.73/729.38
  6. Step 6: Final answer
    x = 400.73

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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.