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Finding the Fourth Proportional to 379,046.39, 568,571.43 and 154,408.98

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Solution

The fourth proportional to 379,046.39, 568,571.43 and 154,408.98 is: 231,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,046.39 : 568,571.43 = 154,408.98 : x
  2. Step 2: Convert to fraction form
    379,046.39/568,571.43 = 154,408.98/x
  3. Step 3: Cross multiply
    379,046.39x = 568,571.43 × 154,408.98
  4. Step 4: Simplify right side
    379,046.39x = 87,792,534,563.44
  5. Step 5: Solve for x
    x = 87,792,534,563.44/379,046.39
  6. Step 6: Final answer
    x = 231,614.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.