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Finding the Fourth Proportional to 369,072.70, 509,320.36 and 199,306.83

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Solution

The fourth proportional to 369,072.70, 509,320.36 and 199,306.83 is: 275,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,072.70 : 509,320.36 = 199,306.83 : x
  2. Step 2: Convert to fraction form
    369,072.70/509,320.36 = 199,306.83/x
  3. Step 3: Cross multiply
    369,072.70x = 509,320.36 × 199,306.83
  4. Step 4: Simplify right side
    369,072.70x = 101,511,024,579.12
  5. Step 5: Solve for x
    x = 101,511,024,579.12/369,072.70
  6. Step 6: Final answer
    x = 275,043.44

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