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Finding the Fourth Proportional to 502,743.88, 693,791.26 and 276,391

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Solution

The fourth proportional to 502,743.88, 693,791.26 and 276,391 is: 381,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,743.88 : 693,791.26 = 276,391 : x
  2. Step 2: Convert to fraction form
    502,743.88/693,791.26 = 276,391/x
  3. Step 3: Cross multiply
    502,743.88x = 693,791.26 × 276,391
  4. Step 4: Simplify right side
    502,743.88x = 191,757,660,142.66
  5. Step 5: Solve for x
    x = 191,757,660,142.66/502,743.88
  6. Step 6: Final answer
    x = 381,422.17

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