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Finding the Fourth Proportional to 337,016.57, 505,469.84 and 112,378.86

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Solution

The fourth proportional to 337,016.57, 505,469.84 and 112,378.86 is: 168,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,016.57 : 505,469.84 = 112,378.86 : x
  2. Step 2: Convert to fraction form
    337,016.57/505,469.84 = 112,378.86/x
  3. Step 3: Cross multiply
    337,016.57x = 505,469.84 × 112,378.86
  4. Step 4: Simplify right side
    337,016.57x = 56,804,123,821.69
  5. Step 5: Solve for x
    x = 56,804,123,821.69/337,016.57
  6. Step 6: Final answer
    x = 168,549.95

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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.