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Finding the Fourth Proportional to 334.73, 502.10 and 118.31

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Solution

The fourth proportional to 334.73, 502.10 and 118.31 is: 177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.73 : 502.10 = 118.31 : x
  2. Step 2: Convert to fraction form
    334.73/502.10 = 118.31/x
  3. Step 3: Cross multiply
    334.73x = 502.10 × 118.31
  4. Step 4: Simplify right side
    334.73x = 59,403.45
  5. Step 5: Solve for x
    x = 59,403.45/334.73
  6. Step 6: Final answer
    x = 177.47

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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.