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Finding the Fourth Proportional to 445,234.44, 667,842.30 and 108,276.90

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Solution

The fourth proportional to 445,234.44, 667,842.30 and 108,276.90 is: 162,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,234.44 : 667,842.30 = 108,276.90 : x
  2. Step 2: Convert to fraction form
    445,234.44/667,842.30 = 108,276.90/x
  3. Step 3: Cross multiply
    445,234.44x = 667,842.30 × 108,276.90
  4. Step 4: Simplify right side
    445,234.44x = 72,311,893,932.87
  5. Step 5: Solve for x
    x = 72,311,893,932.87/445,234.44
  6. Step 6: Final answer
    x = 162,413.07

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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.