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Finding the Fourth Proportional to 532,469.37, 798,938.20 and 279,691.15

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Solution

The fourth proportional to 532,469.37, 798,938.20 and 279,691.15 is: 419,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,469.37 : 798,938.20 = 279,691.15 : x
  2. Step 2: Convert to fraction form
    532,469.37/798,938.20 = 279,691.15/x
  3. Step 3: Cross multiply
    532,469.37x = 798,938.20 × 279,691.15
  4. Step 4: Simplify right side
    532,469.37x = 223,455,943,936.93
  5. Step 5: Solve for x
    x = 223,455,943,936.93/532,469.37
  6. Step 6: Final answer
    x = 419,659.71

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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.