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Finding the Fourth Proportional to 868,903.03, 1,198,660.08 and 754,020.43

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Solution

The fourth proportional to 868,903.03, 1,198,660.08 and 754,020.43 is: 1,040,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,903.03 : 1,198,660.08 = 754,020.43 : x
  2. Step 2: Convert to fraction form
    868,903.03/1,198,660.08 = 754,020.43/x
  3. Step 3: Cross multiply
    868,903.03x = 1,198,660.08 × 754,020.43
  4. Step 4: Simplify right side
    868,903.03x = 903,814,188,945.44
  5. Step 5: Solve for x
    x = 903,814,188,945.44/868,903.03
  6. Step 6: Final answer
    x = 1,040,178.43

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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.