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Finding the Fourth Proportional to 441,994.32, 662,997.96 and 126,451.80

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Solution

The fourth proportional to 441,994.32, 662,997.96 and 126,451.80 is: 189,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,994.32 : 662,997.96 = 126,451.80 : x
  2. Step 2: Convert to fraction form
    441,994.32/662,997.96 = 126,451.80/x
  3. Step 3: Cross multiply
    441,994.32x = 662,997.96 × 126,451.80
  4. Step 4: Simplify right side
    441,994.32x = 83,837,285,438.33
  5. Step 5: Solve for x
    x = 83,837,285,438.33/441,994.32
  6. Step 6: Final answer
    x = 189,679.55

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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.