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Finding the Fourth Proportional to 1,794,867.80, 2,690,791.56 and 834,835.56

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Solution

The fourth proportional to 1,794,867.80, 2,690,791.56 and 834,835.56 is: 1,251,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,867.80 : 2,690,791.56 = 834,835.56 : x
  2. Step 2: Convert to fraction form
    1,794,867.80/2,690,791.56 = 834,835.56/x
  3. Step 3: Cross multiply
    1,794,867.80x = 2,690,791.56 × 834,835.56
  4. Step 4: Simplify right side
    1,794,867.80x = 2,246,368,478,835.87
  5. Step 5: Solve for x
    x = 2,246,368,478,835.87/1,794,867.80
  6. Step 6: Final answer
    x = 1,251,550.94

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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.