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Finding the Fourth Proportional to 327,230.40, 490,845.60 and 177,542.40

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Solution

The fourth proportional to 327,230.40, 490,845.60 and 177,542.40 is: 266,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,230.40 : 490,845.60 = 177,542.40 : x
  2. Step 2: Convert to fraction form
    327,230.40/490,845.60 = 177,542.40/x
  3. Step 3: Cross multiply
    327,230.40x = 490,845.60 × 177,542.40
  4. Step 4: Simplify right side
    327,230.40x = 87,145,905,853.44
  5. Step 5: Solve for x
    x = 87,145,905,853.44/327,230.40
  6. Step 6: Final answer
    x = 266,313.60

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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.