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Finding the Fourth Proportional to 376,115.30, 519,048.23 and 206,349.42

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Solution

The fourth proportional to 376,115.30, 519,048.23 and 206,349.42 is: 284,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,115.30 : 519,048.23 = 206,349.42 : x
  2. Step 2: Convert to fraction form
    376,115.30/519,048.23 = 206,349.42/x
  3. Step 3: Cross multiply
    376,115.30x = 519,048.23 × 206,349.42
  4. Step 4: Simplify right side
    376,115.30x = 107,105,300,180.78
  5. Step 5: Solve for x
    x = 107,105,300,180.78/376,115.30
  6. Step 6: Final answer
    x = 284,767.20

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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.