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Finding the Fourth Proportional to 374.66, 562.24 and 169.34

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Solution

The fourth proportional to 374.66, 562.24 and 169.34 is: 254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.66 : 562.24 = 169.34 : x
  2. Step 2: Convert to fraction form
    374.66/562.24 = 169.34/x
  3. Step 3: Cross multiply
    374.66x = 562.24 × 169.34
  4. Step 4: Simplify right side
    374.66x = 95,209.72
  5. Step 5: Solve for x
    x = 95,209.72/374.66
  6. Step 6: Final answer
    x = 254.12

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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.