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Finding the Fourth Proportional to 327.27, 451.61 and 179.90

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Solution

The fourth proportional to 327.27, 451.61 and 179.90 is: 248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.27 : 451.61 = 179.90 : x
  2. Step 2: Convert to fraction form
    327.27/451.61 = 179.90/x
  3. Step 3: Cross multiply
    327.27x = 451.61 × 179.90
  4. Step 4: Simplify right side
    327.27x = 81,246.39
  5. Step 5: Solve for x
    x = 81,246.39/327.27
  6. Step 6: Final answer
    x = 248.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.