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Finding the Fourth Proportional to 541,920.30, 813,384.81 and 275,879.98

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Solution

The fourth proportional to 541,920.30, 813,384.81 and 275,879.98 is: 414,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,920.30 : 813,384.81 = 275,879.98 : x
  2. Step 2: Convert to fraction form
    541,920.30/813,384.81 = 275,879.98/x
  3. Step 3: Cross multiply
    541,920.30x = 813,384.81 × 275,879.98
  4. Step 4: Simplify right side
    541,920.30x = 224,396,585,115.10
  5. Step 5: Solve for x
    x = 224,396,585,115.10/541,920.30
  6. Step 6: Final answer
    x = 414,076.73

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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.