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Finding the Fourth Proportional to 568,893.72, 785,097.18 and 327,176.49

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Solution

The fourth proportional to 568,893.72, 785,097.18 and 327,176.49 is: 451,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,893.72 : 785,097.18 = 327,176.49 : x
  2. Step 2: Convert to fraction form
    568,893.72/785,097.18 = 327,176.49/x
  3. Step 3: Cross multiply
    568,893.72x = 785,097.18 × 327,176.49
  4. Step 4: Simplify right side
    568,893.72x = 256,865,339,661.30
  5. Step 5: Solve for x
    x = 256,865,339,661.30/568,893.72
  6. Step 6: Final answer
    x = 451,517.27

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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.