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Finding the Fourth Proportional to 381,695.90, 572,083.05 and 194,611.10

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Solution

The fourth proportional to 381,695.90, 572,083.05 and 194,611.10 is: 291,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,695.90 : 572,083.05 = 194,611.10 : x
  2. Step 2: Convert to fraction form
    381,695.90/572,083.05 = 194,611.10/x
  3. Step 3: Cross multiply
    381,695.90x = 572,083.05 × 194,611.10
  4. Step 4: Simplify right side
    381,695.90x = 111,333,711,651.86
  5. Step 5: Solve for x
    x = 111,333,711,651.86/381,695.90
  6. Step 6: Final answer
    x = 291,681.71

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