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Finding the Fourth Proportional to 327,334.08, 490,396.32 and 169,394.88

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Solution

The fourth proportional to 327,334.08, 490,396.32 and 169,394.88 is: 253,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,334.08 : 490,396.32 = 169,394.88 : x
  2. Step 2: Convert to fraction form
    327,334.08/490,396.32 = 169,394.88/x
  3. Step 3: Cross multiply
    327,334.08x = 490,396.32 × 169,394.88
  4. Step 4: Simplify right side
    327,334.08x = 83,070,625,778.84
  5. Step 5: Solve for x
    x = 83,070,625,778.84/327,334.08
  6. Step 6: Final answer
    x = 253,779.34

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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.