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Finding the Fourth Proportional to 373,552.38, 560,328.56 and 206,136.78

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Solution

The fourth proportional to 373,552.38, 560,328.56 and 206,136.78 is: 309,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,552.38 : 560,328.56 = 206,136.78 : x
  2. Step 2: Convert to fraction form
    373,552.38/560,328.56 = 206,136.78/x
  3. Step 3: Cross multiply
    373,552.38x = 560,328.56 × 206,136.78
  4. Step 4: Simplify right side
    373,552.38x = 115,504,324,069.75
  5. Step 5: Solve for x
    x = 115,504,324,069.75/373,552.38
  6. Step 6: Final answer
    x = 309,205.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.