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Finding the Fourth Proportional to 327.84, 452.46 and 196.83

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Solution

The fourth proportional to 327.84, 452.46 and 196.83 is: 271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.84 : 452.46 = 196.83 : x
  2. Step 2: Convert to fraction form
    327.84/452.46 = 196.83/x
  3. Step 3: Cross multiply
    327.84x = 452.46 × 196.83
  4. Step 4: Simplify right side
    327.84x = 89,057.70
  5. Step 5: Solve for x
    x = 89,057.70/327.84
  6. Step 6: Final answer
    x = 271.65

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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.