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Finding the Fourth Proportional to 2,531,471.88, 3,794,563.98 and 1,520,591.88

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Solution

The fourth proportional to 2,531,471.88, 3,794,563.98 and 1,520,591.88 is: 2,279,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,471.88 : 3,794,563.98 = 1,520,591.88 : x
  2. Step 2: Convert to fraction form
    2,531,471.88/3,794,563.98 = 1,520,591.88/x
  3. Step 3: Cross multiply
    2,531,471.88x = 3,794,563.98 × 1,520,591.88
  4. Step 4: Simplify right side
    2,531,471.88x = 5,769,983,176,128.48
  5. Step 5: Solve for x
    x = 5,769,983,176,128.48/2,531,471.88
  6. Step 6: Final answer
    x = 2,279,299.73

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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.