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Finding the Fourth Proportional to 327,319.80, 490,104.90 and 327,319.80

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Solution

The fourth proportional to 327,319.80, 490,104.90 and 327,319.80 is: 490,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,319.80 : 490,104.90 = 327,319.80 : x
  2. Step 2: Convert to fraction form
    327,319.80/490,104.90 = 327,319.80/x
  3. Step 3: Cross multiply
    327,319.80x = 490,104.90 × 327,319.80
  4. Step 4: Simplify right side
    327,319.80x = 160,421,037,847.02
  5. Step 5: Solve for x
    x = 160,421,037,847.02/327,319.80
  6. Step 6: Final answer
    x = 490,104.90

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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.