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Finding the Fourth Proportional to 327,162.24, 490,800.24 and 127,591.20

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Solution

The fourth proportional to 327,162.24, 490,800.24 and 127,591.20 is: 191,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,162.24 : 490,800.24 = 127,591.20 : x
  2. Step 2: Convert to fraction form
    327,162.24/490,800.24 = 127,591.20/x
  3. Step 3: Cross multiply
    327,162.24x = 490,800.24 × 127,591.20
  4. Step 4: Simplify right side
    327,162.24x = 62,621,791,581.89
  5. Step 5: Solve for x
    x = 62,621,791,581.89/327,162.24
  6. Step 6: Final answer
    x = 191,408.98

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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.