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Finding the Fourth Proportional to 550,508.75, 825,901.85 and 156,524.75

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Solution

The fourth proportional to 550,508.75, 825,901.85 and 156,524.75 is: 234,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,508.75 : 825,901.85 = 156,524.75 : x
  2. Step 2: Convert to fraction form
    550,508.75/825,901.85 = 156,524.75/x
  3. Step 3: Cross multiply
    550,508.75x = 825,901.85 × 156,524.75
  4. Step 4: Simplify right side
    550,508.75x = 129,274,079,813.16
  5. Step 5: Solve for x
    x = 129,274,079,813.16/550,508.75
  6. Step 6: Final answer
    x = 234,826.57

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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.