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Finding the Fourth Proportional to 327,150.92, 490,749.71 and 87,263.48

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Solution

The fourth proportional to 327,150.92, 490,749.71 and 87,263.48 is: 130,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,150.92 : 490,749.71 = 87,263.48 : x
  2. Step 2: Convert to fraction form
    327,150.92/490,749.71 = 87,263.48/x
  3. Step 3: Cross multiply
    327,150.92x = 490,749.71 × 87,263.48
  4. Step 4: Simplify right side
    327,150.92x = 42,824,524,613.52
  5. Step 5: Solve for x
    x = 42,824,524,613.52/327,150.92
  6. Step 6: Final answer
    x = 130,901.44

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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.