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Finding the Fourth Proportional to 335,209.89, 502,813.53 and 135,527.88

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Solution

The fourth proportional to 335,209.89, 502,813.53 and 135,527.88 is: 203,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,209.89 : 502,813.53 = 135,527.88 : x
  2. Step 2: Convert to fraction form
    335,209.89/502,813.53 = 135,527.88/x
  3. Step 3: Cross multiply
    335,209.89x = 502,813.53 × 135,527.88
  4. Step 4: Simplify right side
    335,209.89x = 68,145,251,756.22
  5. Step 5: Solve for x
    x = 68,145,251,756.22/335,209.89
  6. Step 6: Final answer
    x = 203,291.29

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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.