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Finding the Fourth Proportional to 284,934.78, 391,150.95 and 244,578.48

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Solution

The fourth proportional to 284,934.78, 391,150.95 and 244,578.48 is: 335,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,934.78 : 391,150.95 = 244,578.48 : x
  2. Step 2: Convert to fraction form
    284,934.78/391,150.95 = 244,578.48/x
  3. Step 3: Cross multiply
    284,934.78x = 391,150.95 × 244,578.48
  4. Step 4: Simplify right side
    284,934.78x = 95,667,104,801.56
  5. Step 5: Solve for x
    x = 95,667,104,801.56/284,934.78
  6. Step 6: Final answer
    x = 335,750.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.