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Finding the Fourth Proportional to 2,797,977.60, 4,206,297.60 and 2,387,404.80

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Solution

The fourth proportional to 2,797,977.60, 4,206,297.60 and 2,387,404.80 is: 3,589,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,977.60 : 4,206,297.60 = 2,387,404.80 : x
  2. Step 2: Convert to fraction form
    2,797,977.60/4,206,297.60 = 2,387,404.80/x
  3. Step 3: Cross multiply
    2,797,977.60x = 4,206,297.60 × 2,387,404.80
  4. Step 4: Simplify right side
    2,797,977.60x = 10,042,135,080,468.48
  5. Step 5: Solve for x
    x = 10,042,135,080,468.48/2,797,977.60
  6. Step 6: Final answer
    x = 3,589,069.15

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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.