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Finding the Fourth Proportional to 1,796,629.90, 2,694,944.85 and 851,845.90

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Solution

The fourth proportional to 1,796,629.90, 2,694,944.85 and 851,845.90 is: 1,277,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,629.90 : 2,694,944.85 = 851,845.90 : x
  2. Step 2: Convert to fraction form
    1,796,629.90/2,694,944.85 = 851,845.90/x
  3. Step 3: Cross multiply
    1,796,629.90x = 2,694,944.85 × 851,845.90
  4. Step 4: Simplify right side
    1,796,629.90x = 2,295,677,721,198.62
  5. Step 5: Solve for x
    x = 2,295,677,721,198.62/1,796,629.90
  6. Step 6: Final answer
    x = 1,277,768.85

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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.