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Finding the Fourth Proportional to 400,029.68, 599,811.24 and 119,471.60

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Solution

The fourth proportional to 400,029.68, 599,811.24 and 119,471.60 is: 179,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,029.68 : 599,811.24 = 119,471.60 : x
  2. Step 2: Convert to fraction form
    400,029.68/599,811.24 = 119,471.60/x
  3. Step 3: Cross multiply
    400,029.68x = 599,811.24 × 119,471.60
  4. Step 4: Simplify right side
    400,029.68x = 71,660,408,540.78
  5. Step 5: Solve for x
    x = 71,660,408,540.78/400,029.68
  6. Step 6: Final answer
    x = 179,137.73

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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.