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Finding the Fourth Proportional to 381,704.40, 572,095.80 and 194,619.60

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Solution

The fourth proportional to 381,704.40, 572,095.80 and 194,619.60 is: 291,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,704.40 : 572,095.80 = 194,619.60 : x
  2. Step 2: Convert to fraction form
    381,704.40/572,095.80 = 194,619.60/x
  3. Step 3: Cross multiply
    381,704.40x = 572,095.80 × 194,619.60
  4. Step 4: Simplify right side
    381,704.40x = 111,341,055,757.68
  5. Step 5: Solve for x
    x = 111,341,055,757.68/381,704.40
  6. Step 6: Final answer
    x = 291,694.45

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