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Finding the Fourth Proportional to 334.89, 502.33 and 118.48

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Solution

The fourth proportional to 334.89, 502.33 and 118.48 is: 177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.89 : 502.33 = 118.48 : x
  2. Step 2: Convert to fraction form
    334.89/502.33 = 118.48/x
  3. Step 3: Cross multiply
    334.89x = 502.33 × 118.48
  4. Step 4: Simplify right side
    334.89x = 59,516.06
  5. Step 5: Solve for x
    x = 59,516.06/334.89
  6. Step 6: Final answer
    x = 177.72

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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.