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Finding the Fourth Proportional to 335.49, 502.89 and 116.05

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Solution

The fourth proportional to 335.49, 502.89 and 116.05 is: 173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.49 : 502.89 = 116.05 : x
  2. Step 2: Convert to fraction form
    335.49/502.89 = 116.05/x
  3. Step 3: Cross multiply
    335.49x = 502.89 × 116.05
  4. Step 4: Simplify right side
    335.49x = 58,360.38
  5. Step 5: Solve for x
    x = 58,360.38/335.49
  6. Step 6: Final answer
    x = 173.96

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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.