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Finding the Fourth Proportional to 431,371.40, 647,051.02 and 194,713.70

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Solution

The fourth proportional to 431,371.40, 647,051.02 and 194,713.70 is: 292,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,371.40 : 647,051.02 = 194,713.70 : x
  2. Step 2: Convert to fraction form
    431,371.40/647,051.02 = 194,713.70/x
  3. Step 3: Cross multiply
    431,371.40x = 647,051.02 × 194,713.70
  4. Step 4: Simplify right side
    431,371.40x = 125,989,698,192.97
  5. Step 5: Solve for x
    x = 125,989,698,192.97/431,371.40
  6. Step 6: Final answer
    x = 292,067.81

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