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Finding the Fourth Proportional to 1,747,888.56, 2,412,443.52 and 1,102,874.22

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Solution

The fourth proportional to 1,747,888.56, 2,412,443.52 and 1,102,874.22 is: 1,522,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,888.56 : 2,412,443.52 = 1,102,874.22 : x
  2. Step 2: Convert to fraction form
    1,747,888.56/2,412,443.52 = 1,102,874.22/x
  3. Step 3: Cross multiply
    1,747,888.56x = 2,412,443.52 × 1,102,874.22
  4. Step 4: Simplify right side
    1,747,888.56x = 2,660,621,765,414.05
  5. Step 5: Solve for x
    x = 2,660,621,765,414.05/1,747,888.56
  6. Step 6: Final answer
    x = 1,522,191.88

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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.