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Finding the Fourth Proportional to 376,342.56, 519,351.90 and 206,573.04

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Solution

The fourth proportional to 376,342.56, 519,351.90 and 206,573.04 is: 285,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,342.56 : 519,351.90 = 206,573.04 : x
  2. Step 2: Convert to fraction form
    376,342.56/519,351.90 = 206,573.04/x
  3. Step 3: Cross multiply
    376,342.56x = 519,351.90 × 206,573.04
  4. Step 4: Simplify right side
    376,342.56x = 107,284,100,812.78
  5. Step 5: Solve for x
    x = 107,284,100,812.78/376,342.56
  6. Step 6: Final answer
    x = 285,070.34

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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.