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Finding the Fourth Proportional to 729.68, 1,094.22 and 267.44

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Solution

The fourth proportional to 729.68, 1,094.22 and 267.44 is: 401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.68 : 1,094.22 = 267.44 : x
  2. Step 2: Convert to fraction form
    729.68/1,094.22 = 267.44/x
  3. Step 3: Cross multiply
    729.68x = 1,094.22 × 267.44
  4. Step 4: Simplify right side
    729.68x = 292,632.73
  5. Step 5: Solve for x
    x = 292,632.73/729.68
  6. Step 6: Final answer
    x = 401.05

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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.