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Finding the Fourth Proportional to 467,998.20, 701,997.30 and 187,716.60

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Solution

The fourth proportional to 467,998.20, 701,997.30 and 187,716.60 is: 281,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,998.20 : 701,997.30 = 187,716.60 : x
  2. Step 2: Convert to fraction form
    467,998.20/701,997.30 = 187,716.60/x
  3. Step 3: Cross multiply
    467,998.20x = 701,997.30 × 187,716.60
  4. Step 4: Simplify right side
    467,998.20x = 131,776,546,365.18
  5. Step 5: Solve for x
    x = 131,776,546,365.18/467,998.20
  6. Step 6: Final answer
    x = 281,574.90

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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.