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Finding the Fourth Proportional to 327,151.20, 490,759.20 and 113,886.30

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Solution

The fourth proportional to 327,151.20, 490,759.20 and 113,886.30 is: 170,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,151.20 : 490,759.20 = 113,886.30 : x
  2. Step 2: Convert to fraction form
    327,151.20/490,759.20 = 113,886.30/x
  3. Step 3: Cross multiply
    327,151.20x = 490,759.20 × 113,886.30
  4. Step 4: Simplify right side
    327,151.20x = 55,890,749,478.96
  5. Step 5: Solve for x
    x = 55,890,749,478.96/327,151.20
  6. Step 6: Final answer
    x = 170,840.73

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1.5x scale

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.