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Finding the Fourth Proportional to 568,999.84, 785,242.36 and 327,282.16

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Solution

The fourth proportional to 568,999.84, 785,242.36 and 327,282.16 is: 451,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,999.84 : 785,242.36 = 327,282.16 : x
  2. Step 2: Convert to fraction form
    568,999.84/785,242.36 = 327,282.16/x
  3. Step 3: Cross multiply
    568,999.84x = 785,242.36 × 327,282.16
  4. Step 4: Simplify right side
    568,999.84x = 256,995,815,704.30
  5. Step 5: Solve for x
    x = 256,995,815,704.30/568,999.84
  6. Step 6: Final answer
    x = 451,662.37

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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.