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Finding the Fourth Proportional to 355,067.60, 532,990.20 and 197,603.60

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Solution

The fourth proportional to 355,067.60, 532,990.20 and 197,603.60 is: 296,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,067.60 : 532,990.20 = 197,603.60 : x
  2. Step 2: Convert to fraction form
    355,067.60/532,990.20 = 197,603.60/x
  3. Step 3: Cross multiply
    355,067.60x = 532,990.20 × 197,603.60
  4. Step 4: Simplify right side
    355,067.60x = 105,320,782,284.72
  5. Step 5: Solve for x
    x = 105,320,782,284.72/355,067.60
  6. Step 6: Final answer
    x = 296,621.78

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