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Finding the Fourth Proportional to 332.76, 499.75 and 252.17

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Solution

The fourth proportional to 332.76, 499.75 and 252.17 is: 378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.76 : 499.75 = 252.17 : x
  2. Step 2: Convert to fraction form
    332.76/499.75 = 252.17/x
  3. Step 3: Cross multiply
    332.76x = 499.75 × 252.17
  4. Step 4: Simplify right side
    332.76x = 126,018.83
  5. Step 5: Solve for x
    x = 126,018.83/332.76
  6. Step 6: Final answer
    x = 378.71

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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.