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Finding the Fourth Proportional to 335,067.83, 502,600.76 and 135,385.89

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Solution

The fourth proportional to 335,067.83, 502,600.76 and 135,385.89 is: 203,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,067.83 : 502,600.76 = 135,385.89 : x
  2. Step 2: Convert to fraction form
    335,067.83/502,600.76 = 135,385.89/x
  3. Step 3: Cross multiply
    335,067.83x = 502,600.76 × 135,385.89
  4. Step 4: Simplify right side
    335,067.83x = 68,045,051,207.28
  5. Step 5: Solve for x
    x = 68,045,051,207.28/335,067.83
  6. Step 6: Final answer
    x = 203,078.44

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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.