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Finding the Fourth Proportional to 394,843.37, 544,883.94 and 222,797.86

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Solution

The fourth proportional to 394,843.37, 544,883.94 and 222,797.86 is: 307,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,843.37 : 544,883.94 = 222,797.86 : x
  2. Step 2: Convert to fraction form
    394,843.37/544,883.94 = 222,797.86/x
  3. Step 3: Cross multiply
    394,843.37x = 544,883.94 × 222,797.86
  4. Step 4: Simplify right side
    394,843.37x = 121,398,974,418.16
  5. Step 5: Solve for x
    x = 121,398,974,418.16/394,843.37
  6. Step 6: Final answer
    x = 307,461.10

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1.5x scale

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.