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Finding the Fourth Proportional to 562.81, 844.22 and 178.06

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Solution

The fourth proportional to 562.81, 844.22 and 178.06 is: 267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.81 : 844.22 = 178.06 : x
  2. Step 2: Convert to fraction form
    562.81/844.22 = 178.06/x
  3. Step 3: Cross multiply
    562.81x = 844.22 × 178.06
  4. Step 4: Simplify right side
    562.81x = 150,321.81
  5. Step 5: Solve for x
    x = 150,321.81/562.81
  6. Step 6: Final answer
    x = 267.09

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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.