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Finding the Fourth Proportional to 327,404.80, 451,891.20 and 214,163.20

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Solution

The fourth proportional to 327,404.80, 451,891.20 and 214,163.20 is: 295,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,404.80 : 451,891.20 = 214,163.20 : x
  2. Step 2: Convert to fraction form
    327,404.80/451,891.20 = 214,163.20/x
  3. Step 3: Cross multiply
    327,404.80x = 451,891.20 × 214,163.20
  4. Step 4: Simplify right side
    327,404.80x = 96,778,465,443.84
  5. Step 5: Solve for x
    x = 96,778,465,443.84/327,404.80
  6. Step 6: Final answer
    x = 295,592.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.