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Finding the Fourth Proportional to 331.90, 458.03 and 184.52

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Solution

The fourth proportional to 331.90, 458.03 and 184.52 is: 254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.90 : 458.03 = 184.52 : x
  2. Step 2: Convert to fraction form
    331.90/458.03 = 184.52/x
  3. Step 3: Cross multiply
    331.90x = 458.03 × 184.52
  4. Step 4: Simplify right side
    331.90x = 84,517.30
  5. Step 5: Solve for x
    x = 84,517.30/331.90
  6. Step 6: Final answer
    x = 254.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.