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Finding the Fourth Proportional to 467,847.60, 701,425.80 and 187,220.40

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Solution

The fourth proportional to 467,847.60, 701,425.80 and 187,220.40 is: 280,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,847.60 : 701,425.80 = 187,220.40 : x
  2. Step 2: Convert to fraction form
    467,847.60/701,425.80 = 187,220.40/x
  3. Step 3: Cross multiply
    467,847.60x = 701,425.80 × 187,220.40
  4. Step 4: Simplify right side
    467,847.60x = 131,321,218,846.32
  5. Step 5: Solve for x
    x = 131,321,218,846.32/467,847.60
  6. Step 6: Final answer
    x = 280,692.30

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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.