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Finding the Fourth Proportional to 376.29, 564.44 and 132.66

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Solution

The fourth proportional to 376.29, 564.44 and 132.66 is: 198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.29 : 564.44 = 132.66 : x
  2. Step 2: Convert to fraction form
    376.29/564.44 = 132.66/x
  3. Step 3: Cross multiply
    376.29x = 564.44 × 132.66
  4. Step 4: Simplify right side
    376.29x = 74,877.95
  5. Step 5: Solve for x
    x = 74,877.95/376.29
  6. Step 6: Final answer
    x = 198.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.