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Finding the Fourth Proportional to 327,193.20, 490,822.20 and 113,928.30

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Solution

The fourth proportional to 327,193.20, 490,822.20 and 113,928.30 is: 170,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,193.20 : 490,822.20 = 113,928.30 : x
  2. Step 2: Convert to fraction form
    327,193.20/490,822.20 = 113,928.30/x
  3. Step 3: Cross multiply
    327,193.20x = 490,822.20 × 113,928.30
  4. Step 4: Simplify right side
    327,193.20x = 55,918,538,848.26
  5. Step 5: Solve for x
    x = 55,918,538,848.26/327,193.20
  6. Step 6: Final answer
    x = 170,903.73

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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.