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Finding the Fourth Proportional to 1,832,407.86, 2,747,282.85 and 1,231,879.26

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Solution

The fourth proportional to 1,832,407.86, 2,747,282.85 and 1,231,879.26 is: 1,846,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,407.86 : 2,747,282.85 = 1,231,879.26 : x
  2. Step 2: Convert to fraction form
    1,832,407.86/2,747,282.85 = 1,231,879.26/x
  3. Step 3: Cross multiply
    1,832,407.86x = 2,747,282.85 × 1,231,879.26
  4. Step 4: Simplify right side
    1,832,407.86x = 3,384,320,764,268.69
  5. Step 5: Solve for x
    x = 3,384,320,764,268.69/1,832,407.86
  6. Step 6: Final answer
    x = 1,846,925.48

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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.