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Finding the Fourth Proportional to 3,241,878.80, 4,855,819.80 and 2,682,006.80

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Solution

The fourth proportional to 3,241,878.80, 4,855,819.80 and 2,682,006.80 is: 4,017,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241,878.80 : 4,855,819.80 = 2,682,006.80 : x
  2. Step 2: Convert to fraction form
    3,241,878.80/4,855,819.80 = 2,682,006.80/x
  3. Step 3: Cross multiply
    3,241,878.80x = 4,855,819.80 × 2,682,006.80
  4. Step 4: Simplify right side
    3,241,878.80x = 13,023,341,723,174.64
  5. Step 5: Solve for x
    x = 13,023,341,723,174.64/3,241,878.80
  6. Step 6: Final answer
    x = 4,017,220.42

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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.