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Finding the Fourth Proportional to 376,706.88, 519,855.84 and 206,952

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Solution

The fourth proportional to 376,706.88, 519,855.84 and 206,952 is: 285,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,706.88 : 519,855.84 = 206,952 : x
  2. Step 2: Convert to fraction form
    376,706.88/519,855.84 = 206,952/x
  3. Step 3: Cross multiply
    376,706.88x = 519,855.84 × 206,952
  4. Step 4: Simplify right side
    376,706.88x = 107,585,205,799.68
  5. Step 5: Solve for x
    x = 107,585,205,799.68/376,706.88
  6. Step 6: Final answer
    x = 285,593.95

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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.