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Finding the Fourth Proportional to 378,633.60, 567,172.80 and 191,750.40

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Solution

The fourth proportional to 378,633.60, 567,172.80 and 191,750.40 is: 287,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,633.60 : 567,172.80 = 191,750.40 : x
  2. Step 2: Convert to fraction form
    378,633.60/567,172.80 = 191,750.40/x
  3. Step 3: Cross multiply
    378,633.60x = 567,172.80 × 191,750.40
  4. Step 4: Simplify right side
    378,633.60x = 108,755,611,269.12
  5. Step 5: Solve for x
    x = 108,755,611,269.12/378,633.60
  6. Step 6: Final answer
    x = 287,231.80

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