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Finding the Fourth Proportional to 381,872.80, 572,636.40 and 171,402.40

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Solution

The fourth proportional to 381,872.80, 572,636.40 and 171,402.40 is: 257,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,872.80 : 572,636.40 = 171,402.40 : x
  2. Step 2: Convert to fraction form
    381,872.80/572,636.40 = 171,402.40/x
  3. Step 3: Cross multiply
    381,872.80x = 572,636.40 × 171,402.40
  4. Step 4: Simplify right side
    381,872.80x = 98,151,253,287.36
  5. Step 5: Solve for x
    x = 98,151,253,287.36/381,872.80
  6. Step 6: Final answer
    x = 257,026.04

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