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Finding the Fourth Proportional to 437,212.62, 655,922.70 and 137,692.44

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Solution

The fourth proportional to 437,212.62, 655,922.70 and 137,692.44 is: 206,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,212.62 : 655,922.70 = 137,692.44 : x
  2. Step 2: Convert to fraction form
    437,212.62/655,922.70 = 137,692.44/x
  3. Step 3: Cross multiply
    437,212.62x = 655,922.70 × 137,692.44
  4. Step 4: Simplify right side
    437,212.62x = 90,315,597,014.39
  5. Step 5: Solve for x
    x = 90,315,597,014.39/437,212.62
  6. Step 6: Final answer
    x = 206,571.34

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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.