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Finding the Fourth Proportional to 568,962.53, 785,136.80 and 327,249.16

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Solution

The fourth proportional to 568,962.53, 785,136.80 and 327,249.16 is: 451,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,962.53 : 785,136.80 = 327,249.16 : x
  2. Step 2: Convert to fraction form
    568,962.53/785,136.80 = 327,249.16/x
  3. Step 3: Cross multiply
    568,962.53x = 785,136.80 × 327,249.16
  4. Step 4: Simplify right side
    568,962.53x = 256,935,359,715.99
  5. Step 5: Solve for x
    x = 256,935,359,715.99/568,962.53
  6. Step 6: Final answer
    x = 451,585.73

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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.