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Finding the Fourth Proportional to 294.84, 442.13 and 132.48

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Solution

The fourth proportional to 294.84, 442.13 and 132.48 is: 198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.84 : 442.13 = 132.48 : x
  2. Step 2: Convert to fraction form
    294.84/442.13 = 132.48/x
  3. Step 3: Cross multiply
    294.84x = 442.13 × 132.48
  4. Step 4: Simplify right side
    294.84x = 58,572.72
  5. Step 5: Solve for x
    x = 58,572.72/294.84
  6. Step 6: Final answer
    x = 198.66

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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.