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Finding the Fourth Proportional to 269,601.48, 404,074.26 and 190,738.44

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Solution

The fourth proportional to 269,601.48, 404,074.26 and 190,738.44 is: 285,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,601.48 : 404,074.26 = 190,738.44 : x
  2. Step 2: Convert to fraction form
    269,601.48/404,074.26 = 190,738.44/x
  3. Step 3: Cross multiply
    269,601.48x = 404,074.26 × 190,738.44
  4. Step 4: Simplify right side
    269,601.48x = 77,072,493,996.55
  5. Step 5: Solve for x
    x = 77,072,493,996.55/269,601.48
  6. Step 6: Final answer
    x = 285,875.63

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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.