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Finding the Fourth Proportional to 322,650.57, 483,539.85 and 122,861.97

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Solution

The fourth proportional to 322,650.57, 483,539.85 and 122,861.97 is: 184,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,650.57 : 483,539.85 = 122,861.97 : x
  2. Step 2: Convert to fraction form
    322,650.57/483,539.85 = 122,861.97/x
  3. Step 3: Cross multiply
    322,650.57x = 483,539.85 × 122,861.97
  4. Step 4: Simplify right side
    322,650.57x = 59,408,658,544.50
  5. Step 5: Solve for x
    x = 59,408,658,544.50/322,650.57
  6. Step 6: Final answer
    x = 184,126.93

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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.