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Finding the Fourth Proportional to 394,524.92, 544,016.20 and 251,101.44

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Solution

The fourth proportional to 394,524.92, 544,016.20 and 251,101.44 is: 346,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524.92 : 544,016.20 = 251,101.44 : x
  2. Step 2: Convert to fraction form
    394,524.92/544,016.20 = 251,101.44/x
  3. Step 3: Cross multiply
    394,524.92x = 544,016.20 × 251,101.44
  4. Step 4: Simplify right side
    394,524.92x = 136,603,251,203.33
  5. Step 5: Solve for x
    x = 136,603,251,203.33/394,524.92
  6. Step 6: Final answer
    x = 346,247.46

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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.