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Finding the Fourth Proportional to 337,311.95, 505,967.92 and 137,726.33

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Solution

The fourth proportional to 337,311.95, 505,967.92 and 137,726.33 is: 206,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,311.95 : 505,967.92 = 137,726.33 : x
  2. Step 2: Convert to fraction form
    337,311.95/505,967.92 = 137,726.33/x
  3. Step 3: Cross multiply
    337,311.95x = 505,967.92 × 137,726.33
  4. Step 4: Simplify right side
    337,311.95x = 69,685,101,845.18
  5. Step 5: Solve for x
    x = 69,685,101,845.18/337,311.95
  6. Step 6: Final answer
    x = 206,589.49

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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.