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Finding the Fourth Proportional to 322,153.57, 483,247.08 and 82,269.74

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Solution

The fourth proportional to 322,153.57, 483,247.08 and 82,269.74 is: 123,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,153.57 : 483,247.08 = 82,269.74 : x
  2. Step 2: Convert to fraction form
    322,153.57/483,247.08 = 82,269.74/x
  3. Step 3: Cross multiply
    322,153.57x = 483,247.08 × 82,269.74
  4. Step 4: Simplify right side
    322,153.57x = 39,756,612,835.48
  5. Step 5: Solve for x
    x = 39,756,612,835.48/322,153.57
  6. Step 6: Final answer
    x = 123,408.88

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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.