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Finding the Fourth Proportional to 382.68, 573.60 and 166

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Solution

The fourth proportional to 382.68, 573.60 and 166 is: 248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.68 : 573.60 = 166 : x
  2. Step 2: Convert to fraction form
    382.68/573.60 = 166/x
  3. Step 3: Cross multiply
    382.68x = 573.60 × 166
  4. Step 4: Simplify right side
    382.68x = 95,217.60
  5. Step 5: Solve for x
    x = 95,217.60/382.68
  6. Step 6: Final answer
    x = 248.82

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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.