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Finding the Fourth Proportional to 369,644.75, 510,109.40 and 199,878.47

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Solution

The fourth proportional to 369,644.75, 510,109.40 and 199,878.47 is: 275,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,644.75 : 510,109.40 = 199,878.47 : x
  2. Step 2: Convert to fraction form
    369,644.75/510,109.40 = 199,878.47/x
  3. Step 3: Cross multiply
    369,644.75x = 510,109.40 × 199,878.47
  4. Step 4: Simplify right side
    369,644.75x = 101,959,882,854.68
  5. Step 5: Solve for x
    x = 101,959,882,854.68/369,644.75
  6. Step 6: Final answer
    x = 275,832.09

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