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Finding the Fourth Proportional to 372,704.22, 558,887.85 and 106,401.33

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Solution

The fourth proportional to 372,704.22, 558,887.85 and 106,401.33 is: 159,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,704.22 : 558,887.85 = 106,401.33 : x
  2. Step 2: Convert to fraction form
    372,704.22/558,887.85 = 106,401.33/x
  3. Step 3: Cross multiply
    372,704.22x = 558,887.85 × 106,401.33
  4. Step 4: Simplify right side
    372,704.22x = 59,466,410,560.84
  5. Step 5: Solve for x
    x = 59,466,410,560.84/372,704.22
  6. Step 6: Final answer
    x = 159,553.90

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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.