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Finding the Fourth Proportional to 2,485,207.80, 3,722,562.90 and 2,485,207.80

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Solution

The fourth proportional to 2,485,207.80, 3,722,562.90 and 2,485,207.80 is: 3,722,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,207.80 : 3,722,562.90 = 2,485,207.80 : x
  2. Step 2: Convert to fraction form
    2,485,207.80/3,722,562.90 = 2,485,207.80/x
  3. Step 3: Cross multiply
    2,485,207.80x = 3,722,562.90 × 2,485,207.80
  4. Step 4: Simplify right side
    2,485,207.80x = 9,251,342,355,070.62
  5. Step 5: Solve for x
    x = 9,251,342,355,070.62/2,485,207.80
  6. Step 6: Final answer
    x = 3,722,562.90

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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.