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Finding the Fourth Proportional to 382.97, 573.68 and 177.25

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Solution

The fourth proportional to 382.97, 573.68 and 177.25 is: 265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.97 : 573.68 = 177.25 : x
  2. Step 2: Convert to fraction form
    382.97/573.68 = 177.25/x
  3. Step 3: Cross multiply
    382.97x = 573.68 × 177.25
  4. Step 4: Simplify right side
    382.97x = 101,684.78
  5. Step 5: Solve for x
    x = 101,684.78/382.97
  6. Step 6: Final answer
    x = 265.52

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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.