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Finding the Fourth Proportional to 334.73, 502.20 and 118.46

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Solution

The fourth proportional to 334.73, 502.20 and 118.46 is: 177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.73 : 502.20 = 118.46 : x
  2. Step 2: Convert to fraction form
    334.73/502.20 = 118.46/x
  3. Step 3: Cross multiply
    334.73x = 502.20 × 118.46
  4. Step 4: Simplify right side
    334.73x = 59,491.87
  5. Step 5: Solve for x
    x = 59,491.87/334.73
  6. Step 6: Final answer
    x = 177.73

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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.