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Finding the Fourth Proportional to 394,614.60, 544,535.22 and 222,522.92

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Solution

The fourth proportional to 394,614.60, 544,535.22 and 222,522.92 is: 307,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,614.60 : 544,535.22 = 222,522.92 : x
  2. Step 2: Convert to fraction form
    394,614.60/544,535.22 = 222,522.92/x
  3. Step 3: Cross multiply
    394,614.60x = 544,535.22 × 222,522.92
  4. Step 4: Simplify right side
    394,614.60x = 121,171,567,197.24
  5. Step 5: Solve for x
    x = 121,171,567,197.24/394,614.60
  6. Step 6: Final answer
    x = 307,063.06

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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.