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Finding the Fourth Proportional to 376.22, 563.70 and 132.62

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Solution

The fourth proportional to 376.22, 563.70 and 132.62 is: 198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.22 : 563.70 = 132.62 : x
  2. Step 2: Convert to fraction form
    376.22/563.70 = 132.62/x
  3. Step 3: Cross multiply
    376.22x = 563.70 × 132.62
  4. Step 4: Simplify right side
    376.22x = 74,757.89
  5. Step 5: Solve for x
    x = 74,757.89/376.22
  6. Step 6: Final answer
    x = 198.71

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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.