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Finding the Fourth Proportional to 335,242.89, 502,863.03 and 135,560.88

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Solution

The fourth proportional to 335,242.89, 502,863.03 and 135,560.88 is: 203,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,242.89 : 502,863.03 = 135,560.88 : x
  2. Step 2: Convert to fraction form
    335,242.89/502,863.03 = 135,560.88/x
  3. Step 3: Cross multiply
    335,242.89x = 502,863.03 × 135,560.88
  4. Step 4: Simplify right side
    335,242.89x = 68,168,554,866.27
  5. Step 5: Solve for x
    x = 68,168,554,866.27/335,242.89
  6. Step 6: Final answer
    x = 203,340.79

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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.