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Finding the Fourth Proportional to 327,260.40, 490,890.60 and 227,727.60

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Solution

The fourth proportional to 327,260.40, 490,890.60 and 227,727.60 is: 341,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,260.40 : 490,890.60 = 227,727.60 : x
  2. Step 2: Convert to fraction form
    327,260.40/490,890.60 = 227,727.60/x
  3. Step 3: Cross multiply
    327,260.40x = 490,890.60 × 227,727.60
  4. Step 4: Simplify right side
    327,260.40x = 111,789,338,200.56
  5. Step 5: Solve for x
    x = 111,789,338,200.56/327,260.40
  6. Step 6: Final answer
    x = 341,591.40

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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.