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Finding the Fourth Proportional to 376,667.88, 519,802.02 and 206,912.94

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Solution

The fourth proportional to 376,667.88, 519,802.02 and 206,912.94 is: 285,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,667.88 : 519,802.02 = 206,912.94 : x
  2. Step 2: Convert to fraction form
    376,667.88/519,802.02 = 206,912.94/x
  3. Step 3: Cross multiply
    376,667.88x = 519,802.02 × 206,912.94
  4. Step 4: Simplify right side
    376,667.88x = 107,553,764,176.14
  5. Step 5: Solve for x
    x = 107,553,764,176.14/376,667.88
  6. Step 6: Final answer
    x = 285,540.05

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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.