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Finding the Fourth Proportional to 382.67, 573.70 and 166.13

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Solution

The fourth proportional to 382.67, 573.70 and 166.13 is: 249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.67 : 573.70 = 166.13 : x
  2. Step 2: Convert to fraction form
    382.67/573.70 = 166.13/x
  3. Step 3: Cross multiply
    382.67x = 573.70 × 166.13
  4. Step 4: Simplify right side
    382.67x = 95,308.78
  5. Step 5: Solve for x
    x = 95,308.78/382.67
  6. Step 6: Final answer
    x = 249.06

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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.