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Finding the Fourth Proportional to 3,324,489.04, 4,986,734.64 and 800,144.29

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Solution

The fourth proportional to 3,324,489.04, 4,986,734.64 and 800,144.29 is: 1,200,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,489.04 : 4,986,734.64 = 800,144.29 : x
  2. Step 2: Convert to fraction form
    3,324,489.04/4,986,734.64 = 800,144.29/x
  3. Step 3: Cross multiply
    3,324,489.04x = 4,986,734.64 × 800,144.29
  4. Step 4: Simplify right side
    3,324,489.04x = 3,990,107,247,941.21
  5. Step 5: Solve for x
    x = 3,990,107,247,941.21/3,324,489.04
  6. Step 6: Final answer
    x = 1,200,216.69

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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.