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Finding the Fourth Proportional to 361,171.62, 541,798.92 and 211,413.27

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Solution

The fourth proportional to 361,171.62, 541,798.92 and 211,413.27 is: 317,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,171.62 : 541,798.92 = 211,413.27 : x
  2. Step 2: Convert to fraction form
    361,171.62/541,798.92 = 211,413.27/x
  3. Step 3: Cross multiply
    361,171.62x = 541,798.92 × 211,413.27
  4. Step 4: Simplify right side
    361,171.62x = 114,543,481,359.67
  5. Step 5: Solve for x
    x = 114,543,481,359.67/361,171.62
  6. Step 6: Final answer
    x = 317,144.19

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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.