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Finding the Fourth Proportional to 568,997.84, 785,239.60 and 327,280.16

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Solution

The fourth proportional to 568,997.84, 785,239.60 and 327,280.16 is: 451,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,997.84 : 785,239.60 = 327,280.16 : x
  2. Step 2: Convert to fraction form
    568,997.84/785,239.60 = 327,280.16/x
  3. Step 3: Cross multiply
    568,997.84x = 785,239.60 × 327,280.16
  4. Step 4: Simplify right side
    568,997.84x = 256,993,341,926.34
  5. Step 5: Solve for x
    x = 256,993,341,926.34/568,997.84
  6. Step 6: Final answer
    x = 451,659.61

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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.