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Finding the Fourth Proportional to 568,996.84, 785,238.22 and 327,279.16

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Solution

The fourth proportional to 568,996.84, 785,238.22 and 327,279.16 is: 451,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,996.84 : 785,238.22 = 327,279.16 : x
  2. Step 2: Convert to fraction form
    568,996.84/785,238.22 = 327,279.16/x
  3. Step 3: Cross multiply
    568,996.84x = 785,238.22 × 327,279.16
  4. Step 4: Simplify right side
    568,996.84x = 256,992,105,041.50
  5. Step 5: Solve for x
    x = 256,992,105,041.50/568,996.84
  6. Step 6: Final answer
    x = 451,658.23

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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.