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Finding the Fourth Proportional to 519,620.40, 779,236.20 and 182,530.80

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Solution

The fourth proportional to 519,620.40, 779,236.20 and 182,530.80 is: 273,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,620.40 : 779,236.20 = 182,530.80 : x
  2. Step 2: Convert to fraction form
    519,620.40/779,236.20 = 182,530.80/x
  3. Step 3: Cross multiply
    519,620.40x = 779,236.20 × 182,530.80
  4. Step 4: Simplify right side
    519,620.40x = 142,234,606,974.96
  5. Step 5: Solve for x
    x = 142,234,606,974.96/519,620.40
  6. Step 6: Final answer
    x = 273,727.91

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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.