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Finding the Fourth Proportional to 369,172.89, 509,458.82 and 199,407.02

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Solution

The fourth proportional to 369,172.89, 509,458.82 and 199,407.02 is: 275,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,172.89 : 509,458.82 = 199,407.02 : x
  2. Step 2: Convert to fraction form
    369,172.89/509,458.82 = 199,407.02/x
  3. Step 3: Cross multiply
    369,172.89x = 509,458.82 × 199,407.02
  4. Step 4: Simplify right side
    369,172.89x = 101,589,661,564.59
  5. Step 5: Solve for x
    x = 101,589,661,564.59/369,172.89
  6. Step 6: Final answer
    x = 275,181.80

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