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Finding the Fourth Proportional to 335,209.90, 502,813.52 and 135,527.88

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Solution

The fourth proportional to 335,209.90, 502,813.52 and 135,527.88 is: 203,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,209.90 : 502,813.52 = 135,527.88 : x
  2. Step 2: Convert to fraction form
    335,209.90/502,813.52 = 135,527.88/x
  3. Step 3: Cross multiply
    335,209.90x = 502,813.52 × 135,527.88
  4. Step 4: Simplify right side
    335,209.90x = 68,145,250,400.94
  5. Step 5: Solve for x
    x = 68,145,250,400.94/335,209.90
  6. Step 6: Final answer
    x = 203,291.28

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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.