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Finding the Fourth Proportional to 3,309,344.07, 4,964,029.07 and 2,187,163.59

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Solution

The fourth proportional to 3,309,344.07, 4,964,029.07 and 2,187,163.59 is: 3,280,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,344.07 : 4,964,029.07 = 2,187,163.59 : x
  2. Step 2: Convert to fraction form
    3,309,344.07/4,964,029.07 = 2,187,163.59/x
  3. Step 3: Cross multiply
    3,309,344.07x = 4,964,029.07 × 2,187,163.59
  4. Step 4: Simplify right side
    3,309,344.07x = 10,857,143,630,669.74
  5. Step 5: Solve for x
    x = 10,857,143,630,669.74/3,309,344.07
  6. Step 6: Final answer
    x = 3,280,753.95

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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.