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Finding the Fourth Proportional to 562.96, 844.36 and 178.20

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Solution

The fourth proportional to 562.96, 844.36 and 178.20 is: 267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.96 : 844.36 = 178.20 : x
  2. Step 2: Convert to fraction form
    562.96/844.36 = 178.20/x
  3. Step 3: Cross multiply
    562.96x = 844.36 × 178.20
  4. Step 4: Simplify right side
    562.96x = 150,464.95
  5. Step 5: Solve for x
    x = 150,464.95/562.96
  6. Step 6: Final answer
    x = 267.27

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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.