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Finding the Fourth Proportional to 338,861.52, 467,629.14 and 187,958.52

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Solution

The fourth proportional to 338,861.52, 467,629.14 and 187,958.52 is: 259,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,861.52 : 467,629.14 = 187,958.52 : x
  2. Step 2: Convert to fraction form
    338,861.52/467,629.14 = 187,958.52/x
  3. Step 3: Cross multiply
    338,861.52x = 467,629.14 × 187,958.52
  4. Step 4: Simplify right side
    338,861.52x = 87,894,881,063.27
  5. Step 5: Solve for x
    x = 87,894,881,063.27/338,861.52
  6. Step 6: Final answer
    x = 259,382.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.