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Finding the Fourth Proportional to 3,266,394.78, 4,899,067.29 and 1,022,532.78

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Solution

The fourth proportional to 3,266,394.78, 4,899,067.29 and 1,022,532.78 is: 1,533,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,394.78 : 4,899,067.29 = 1,022,532.78 : x
  2. Step 2: Convert to fraction form
    3,266,394.78/4,899,067.29 = 1,022,532.78/x
  3. Step 3: Cross multiply
    3,266,394.78x = 4,899,067.29 × 1,022,532.78
  4. Step 4: Simplify right side
    3,266,394.78x = 5,009,456,895,450.77
  5. Step 5: Solve for x
    x = 5,009,456,895,450.77/3,266,394.78
  6. Step 6: Final answer
    x = 1,533,634.86

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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.