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Finding the Fourth Proportional to 375.76, 517.89 and 244.54

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Solution

The fourth proportional to 375.76, 517.89 and 244.54 is: 337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.76 : 517.89 = 244.54 : x
  2. Step 2: Convert to fraction form
    375.76/517.89 = 244.54/x
  3. Step 3: Cross multiply
    375.76x = 517.89 × 244.54
  4. Step 4: Simplify right side
    375.76x = 126,644.82
  5. Step 5: Solve for x
    x = 126,644.82/375.76
  6. Step 6: Final answer
    x = 337.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.