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Finding the Fourth Proportional to 337,081.57, 505,695.26 and 100,443.31

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Solution

The fourth proportional to 337,081.57, 505,695.26 and 100,443.31 is: 150,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,081.57 : 505,695.26 = 100,443.31 : x
  2. Step 2: Convert to fraction form
    337,081.57/505,695.26 = 100,443.31/x
  3. Step 3: Cross multiply
    337,081.57x = 505,695.26 × 100,443.31
  4. Step 4: Simplify right side
    337,081.57x = 50,793,705,765.71
  5. Step 5: Solve for x
    x = 50,793,705,765.71/337,081.57
  6. Step 6: Final answer
    x = 150,686.69

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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.