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Finding the Fourth Proportional to 886,198, 1,222,947.02 and 483,790

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Solution

The fourth proportional to 886,198, 1,222,947.02 and 483,790 is: 667,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,198 : 1,222,947.02 = 483,790 : x
  2. Step 2: Convert to fraction form
    886,198/1,222,947.02 = 483,790/x
  3. Step 3: Cross multiply
    886,198x = 1,222,947.02 × 483,790
  4. Step 4: Simplify right side
    886,198x = 591,649,538,805.80
  5. Step 5: Solve for x
    x = 591,649,538,805.80/886,198
  6. Step 6: Final answer
    x = 667,626.80

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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.