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Finding the Fourth Proportional to 339,039.75, 467,896.73 and 188,136.75

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Solution

The fourth proportional to 339,039.75, 467,896.73 and 188,136.75 is: 259,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,039.75 : 467,896.73 = 188,136.75 : x
  2. Step 2: Convert to fraction form
    339,039.75/467,896.73 = 188,136.75/x
  3. Step 3: Cross multiply
    339,039.75x = 467,896.73 × 188,136.75
  4. Step 4: Simplify right side
    339,039.75x = 88,028,569,177.14
  5. Step 5: Solve for x
    x = 88,028,569,177.14/339,039.75
  6. Step 6: Final answer
    x = 259,640.85

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1.5x scale

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.