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Finding the Fourth Proportional to 502,932.88, 694,033.50 and 276,578.38

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Solution

The fourth proportional to 502,932.88, 694,033.50 and 276,578.38 is: 381,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,932.88 : 694,033.50 = 276,578.38 : x
  2. Step 2: Convert to fraction form
    502,932.88/694,033.50 = 276,578.38/x
  3. Step 3: Cross multiply
    502,932.88x = 694,033.50 × 276,578.38
  4. Step 4: Simplify right side
    502,932.88x = 191,954,661,095.73
  5. Step 5: Solve for x
    x = 191,954,661,095.73/502,932.88
  6. Step 6: Final answer
    x = 381,670.53

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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.