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Finding the Fourth Proportional to 519,540.40, 779,116.20 and 182,450.80

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Solution

The fourth proportional to 519,540.40, 779,116.20 and 182,450.80 is: 273,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,540.40 : 779,116.20 = 182,450.80 : x
  2. Step 2: Convert to fraction form
    519,540.40/779,116.20 = 182,450.80/x
  3. Step 3: Cross multiply
    519,540.40x = 779,116.20 × 182,450.80
  4. Step 4: Simplify right side
    519,540.40x = 142,150,373,982.96
  5. Step 5: Solve for x
    x = 142,150,373,982.96/519,540.40
  6. Step 6: Final answer
    x = 273,607.93

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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.