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Finding the Fourth Proportional to 334.92, 502.28 and 118.46

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Solution

The fourth proportional to 334.92, 502.28 and 118.46 is: 177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.92 : 502.28 = 118.46 : x
  2. Step 2: Convert to fraction form
    334.92/502.28 = 118.46/x
  3. Step 3: Cross multiply
    334.92x = 502.28 × 118.46
  4. Step 4: Simplify right side
    334.92x = 59,500.09
  5. Step 5: Solve for x
    x = 59,500.09/334.92
  6. Step 6: Final answer
    x = 177.65

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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.