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Finding the Fourth Proportional to 382.97, 574.46 and 94.41

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Solution

The fourth proportional to 382.97, 574.46 and 94.41 is: 141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.97 : 574.46 = 94.41 : x
  2. Step 2: Convert to fraction form
    382.97/574.46 = 94.41/x
  3. Step 3: Cross multiply
    382.97x = 574.46 × 94.41
  4. Step 4: Simplify right side
    382.97x = 54,234.77
  5. Step 5: Solve for x
    x = 54,234.77/382.97
  6. Step 6: Final answer
    x = 141.62

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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.