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Finding the Fourth Proportional to 381,891.60, 572,059.80 and 195,008.40

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Solution

The fourth proportional to 381,891.60, 572,059.80 and 195,008.40 is: 292,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,891.60 : 572,059.80 = 195,008.40 : x
  2. Step 2: Convert to fraction form
    381,891.60/572,059.80 = 195,008.40/x
  3. Step 3: Cross multiply
    381,891.60x = 572,059.80 × 195,008.40
  4. Step 4: Simplify right side
    381,891.60x = 111,556,466,302.32
  5. Step 5: Solve for x
    x = 111,556,466,302.32/381,891.60
  6. Step 6: Final answer
    x = 292,115.53

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