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Finding the Fourth Proportional to 3,961,708.06, 5,940,372.34 and 1,228,497.52

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Solution

The fourth proportional to 3,961,708.06, 5,940,372.34 and 1,228,497.52 is: 1,842,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,708.06 : 5,940,372.34 = 1,228,497.52 : x
  2. Step 2: Convert to fraction form
    3,961,708.06/5,940,372.34 = 1,228,497.52/x
  3. Step 3: Cross multiply
    3,961,708.06x = 5,940,372.34 × 1,228,497.52
  4. Step 4: Simplify right side
    3,961,708.06x = 7,297,732,687,566.60
  5. Step 5: Solve for x
    x = 7,297,732,687,566.60/3,961,708.06
  6. Step 6: Final answer
    x = 1,842,067.25

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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.