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Finding the Fourth Proportional to 5,361,212.80, 8,041,819.20 and 2,375,228.80

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Solution

The fourth proportional to 5,361,212.80, 8,041,819.20 and 2,375,228.80 is: 3,562,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,212.80 : 8,041,819.20 = 2,375,228.80 : x
  2. Step 2: Convert to fraction form
    5,361,212.80/8,041,819.20 = 2,375,228.80/x
  3. Step 3: Cross multiply
    5,361,212.80x = 8,041,819.20 × 2,375,228.80
  4. Step 4: Simplify right side
    5,361,212.80x = 19,101,160,568,232.96
  5. Step 5: Solve for x
    x = 19,101,160,568,232.96/5,361,212.80
  6. Step 6: Final answer
    x = 3,562,843.20

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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.