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Finding the Fourth Proportional to 293,826.60, 440,229.60 and 135,730.80

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Solution

The fourth proportional to 293,826.60, 440,229.60 and 135,730.80 is: 203,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,826.60 : 440,229.60 = 135,730.80 : x
  2. Step 2: Convert to fraction form
    293,826.60/440,229.60 = 135,730.80/x
  3. Step 3: Cross multiply
    293,826.60x = 440,229.60 × 135,730.80
  4. Step 4: Simplify right side
    293,826.60x = 59,752,715,791.68
  5. Step 5: Solve for x
    x = 59,752,715,791.68/293,826.60
  6. Step 6: Final answer
    x = 203,360.47

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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.