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Finding the Fourth Proportional to 294.73, 442.11 and 132.42

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Solution

The fourth proportional to 294.73, 442.11 and 132.42 is: 198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.73 : 442.11 = 132.42 : x
  2. Step 2: Convert to fraction form
    294.73/442.11 = 132.42/x
  3. Step 3: Cross multiply
    294.73x = 442.11 × 132.42
  4. Step 4: Simplify right side
    294.73x = 58,542.20
  5. Step 5: Solve for x
    x = 58,542.20/294.73
  6. Step 6: Final answer
    x = 198.63

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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.