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Finding the Fourth Proportional to 327,010.60, 490,829.10 and 169,352.20

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Solution

The fourth proportional to 327,010.60, 490,829.10 and 169,352.20 is: 254,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,010.60 : 490,829.10 = 169,352.20 : x
  2. Step 2: Convert to fraction form
    327,010.60/490,829.10 = 169,352.20/x
  3. Step 3: Cross multiply
    327,010.60x = 490,829.10 × 169,352.20
  4. Step 4: Simplify right side
    327,010.60x = 83,122,987,909.02
  5. Step 5: Solve for x
    x = 83,122,987,909.02/327,010.60
  6. Step 6: Final answer
    x = 254,190.50

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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.