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Finding the Fourth Proportional to 327,572.88, 490,375.12 and 293,353.60

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Solution

The fourth proportional to 327,572.88, 490,375.12 and 293,353.60 is: 439,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,572.88 : 490,375.12 = 293,353.60 : x
  2. Step 2: Convert to fraction form
    327,572.88/490,375.12 = 293,353.60/x
  3. Step 3: Cross multiply
    327,572.88x = 490,375.12 × 293,353.60
  4. Step 4: Simplify right side
    327,572.88x = 143,853,306,802.43
  5. Step 5: Solve for x
    x = 143,853,306,802.43/327,572.88
  6. Step 6: Final answer
    x = 439,149.01

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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.