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Finding the Fourth Proportional to 376.50, 564.36 and 132.84

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Solution

The fourth proportional to 376.50, 564.36 and 132.84 is: 199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.50 : 564.36 = 132.84 : x
  2. Step 2: Convert to fraction form
    376.50/564.36 = 132.84/x
  3. Step 3: Cross multiply
    376.50x = 564.36 × 132.84
  4. Step 4: Simplify right side
    376.50x = 74,969.58
  5. Step 5: Solve for x
    x = 74,969.58/376.50
  6. Step 6: Final answer
    x = 199.12

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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.