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Finding the Fourth Proportional to 220,876.20, 331,314.30 and 185,884.20

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Solution

The fourth proportional to 220,876.20, 331,314.30 and 185,884.20 is: 278,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,876.20 : 331,314.30 = 185,884.20 : x
  2. Step 2: Convert to fraction form
    220,876.20/331,314.30 = 185,884.20/x
  3. Step 3: Cross multiply
    220,876.20x = 331,314.30 × 185,884.20
  4. Step 4: Simplify right side
    220,876.20x = 61,586,093,604.06
  5. Step 5: Solve for x
    x = 61,586,093,604.06/220,876.20
  6. Step 6: Final answer
    x = 278,826.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.