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Finding the Fourth Proportional to 332.49, 458.80 and 185.12

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Solution

The fourth proportional to 332.49, 458.80 and 185.12 is: 255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.49 : 458.80 = 185.12 : x
  2. Step 2: Convert to fraction form
    332.49/458.80 = 185.12/x
  3. Step 3: Cross multiply
    332.49x = 458.80 × 185.12
  4. Step 4: Simplify right side
    332.49x = 84,932.02
  5. Step 5: Solve for x
    x = 84,932.02/332.49
  6. Step 6: Final answer
    x = 255.44

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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.