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Finding the Fourth Proportional to 334.73, 502.11 and 115.39

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Solution

The fourth proportional to 334.73, 502.11 and 115.39 is: 173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.73 : 502.11 = 115.39 : x
  2. Step 2: Convert to fraction form
    334.73/502.11 = 115.39/x
  3. Step 3: Cross multiply
    334.73x = 502.11 × 115.39
  4. Step 4: Simplify right side
    334.73x = 57,938.47
  5. Step 5: Solve for x
    x = 57,938.47/334.73
  6. Step 6: Final answer
    x = 173.09

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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.