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Finding the Fourth Proportional to 321,847.83, 444,104.67 and 192,756.05

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Solution

The fourth proportional to 321,847.83, 444,104.67 and 192,756.05 is: 265,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,847.83 : 444,104.67 = 192,756.05 : x
  2. Step 2: Convert to fraction form
    321,847.83/444,104.67 = 192,756.05/x
  3. Step 3: Cross multiply
    321,847.83x = 444,104.67 × 192,756.05
  4. Step 4: Simplify right side
    321,847.83x = 85,603,863,086.02
  5. Step 5: Solve for x
    x = 85,603,863,086.02/321,847.83
  6. Step 6: Final answer
    x = 265,976.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.