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Finding the Fourth Proportional to 394,704.70, 544,670.12 and 222,612.37

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Solution

The fourth proportional to 394,704.70, 544,670.12 and 222,612.37 is: 307,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,704.70 : 544,670.12 = 222,612.37 : x
  2. Step 2: Convert to fraction form
    394,704.70/544,670.12 = 222,612.37/x
  3. Step 3: Cross multiply
    394,704.70x = 544,670.12 × 222,612.37
  4. Step 4: Simplify right side
    394,704.70x = 121,250,305,476.24
  5. Step 5: Solve for x
    x = 121,250,305,476.24/394,704.70
  6. Step 6: Final answer
    x = 307,192.46

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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.