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Finding the Fourth Proportional to 568,991.84, 785,231.32 and 327,274.16

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Solution

The fourth proportional to 568,991.84, 785,231.32 and 327,274.16 is: 451,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,991.84 : 785,231.32 = 327,274.16 : x
  2. Step 2: Convert to fraction form
    568,991.84/785,231.32 = 327,274.16/x
  3. Step 3: Cross multiply
    568,991.84x = 785,231.32 × 327,274.16
  4. Step 4: Simplify right side
    568,991.84x = 256,985,920,658.69
  5. Step 5: Solve for x
    x = 256,985,920,658.69/568,991.84
  6. Step 6: Final answer
    x = 451,651.33

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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.