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Finding the Fourth Proportional to 376,136.70, 519,069.27 and 206,372.04

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Solution

The fourth proportional to 376,136.70, 519,069.27 and 206,372.04 is: 284,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,136.70 : 519,069.27 = 206,372.04 : x
  2. Step 2: Convert to fraction form
    376,136.70/519,069.27 = 206,372.04/x
  3. Step 3: Cross multiply
    376,136.70x = 519,069.27 × 206,372.04
  4. Step 4: Simplify right side
    376,136.70x = 107,121,384,151.21
  5. Step 5: Solve for x
    x = 107,121,384,151.21/376,136.70
  6. Step 6: Final answer
    x = 284,793.76

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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.