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Finding the Fourth Proportional to 1,993,250.08, 2,749,728.42 and 1,304,618.77

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Solution

The fourth proportional to 1,993,250.08, 2,749,728.42 and 1,304,618.77 is: 1,799,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,250.08 : 2,749,728.42 = 1,304,618.77 : x
  2. Step 2: Convert to fraction form
    1,993,250.08/2,749,728.42 = 1,304,618.77/x
  3. Step 3: Cross multiply
    1,993,250.08x = 2,749,728.42 × 1,304,618.77
  4. Step 4: Simplify right side
    1,993,250.08x = 3,587,347,309,134.44
  5. Step 5: Solve for x
    x = 3,587,347,309,134.44/1,993,250.08
  6. Step 6: Final answer
    x = 1,799,747.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.