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Finding the Fourth Proportional to 335,067.92, 502,600.86 and 135,385.95

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Solution

The fourth proportional to 335,067.92, 502,600.86 and 135,385.95 is: 203,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,067.92 : 502,600.86 = 135,385.95 : x
  2. Step 2: Convert to fraction form
    335,067.92/502,600.86 = 135,385.95/x
  3. Step 3: Cross multiply
    335,067.92x = 502,600.86 × 135,385.95
  4. Step 4: Simplify right side
    335,067.92x = 68,045,094,901.92
  5. Step 5: Solve for x
    x = 68,045,094,901.92/335,067.92
  6. Step 6: Final answer
    x = 203,078.52

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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.