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Finding the Fourth Proportional to 1,888,227.03, 2,605,720.41 and 1,028,793.54

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Solution

The fourth proportional to 1,888,227.03, 2,605,720.41 and 1,028,793.54 is: 1,419,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,227.03 : 2,605,720.41 = 1,028,793.54 : x
  2. Step 2: Convert to fraction form
    1,888,227.03/2,605,720.41 = 1,028,793.54/x
  3. Step 3: Cross multiply
    1,888,227.03x = 2,605,720.41 × 1,028,793.54
  4. Step 4: Simplify right side
    1,888,227.03x = 2,680,748,324,854.15
  5. Step 5: Solve for x
    x = 2,680,748,324,854.15/1,888,227.03
  6. Step 6: Final answer
    x = 1,419,717.16

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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.