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Finding the Fourth Proportional to 1,826,209.48, 2,739,687.84 and 627,976.18

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Solution

The fourth proportional to 1,826,209.48, 2,739,687.84 and 627,976.18 is: 942,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,209.48 : 2,739,687.84 = 627,976.18 : x
  2. Step 2: Convert to fraction form
    1,826,209.48/2,739,687.84 = 627,976.18/x
  3. Step 3: Cross multiply
    1,826,209.48x = 2,739,687.84 × 627,976.18
  4. Step 4: Simplify right side
    1,826,209.48x = 1,720,458,704,155.65
  5. Step 5: Solve for x
    x = 1,720,458,704,155.65/1,826,209.48
  6. Step 6: Final answer
    x = 942,092.75

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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.