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Finding the Fourth Proportional to 532,177.44, 798,499.94 and 279,399.20

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Solution

The fourth proportional to 532,177.44, 798,499.94 and 279,399.20 is: 419,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,177.44 : 798,499.94 = 279,399.20 : x
  2. Step 2: Convert to fraction form
    532,177.44/798,499.94 = 279,399.20/x
  3. Step 3: Cross multiply
    532,177.44x = 798,499.94 × 279,399.20
  4. Step 4: Simplify right side
    532,177.44x = 223,100,244,436.05
  5. Step 5: Solve for x
    x = 223,100,244,436.05/532,177.44
  6. Step 6: Final answer
    x = 419,221.54

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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.