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Finding the Fourth Proportional to 339,571.50, 508,581.63 and 162,204

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Solution

The fourth proportional to 339,571.50, 508,581.63 and 162,204 is: 242,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,571.50 : 508,581.63 = 162,204 : x
  2. Step 2: Convert to fraction form
    339,571.50/508,581.63 = 162,204/x
  3. Step 3: Cross multiply
    339,571.50x = 508,581.63 × 162,204
  4. Step 4: Simplify right side
    339,571.50x = 82,493,974,712.52
  5. Step 5: Solve for x
    x = 82,493,974,712.52/339,571.50
  6. Step 6: Final answer
    x = 242,935.51

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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.