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Finding the Fourth Proportional to 288,070.60, 431,069.10 and 194,758.60

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Solution

The fourth proportional to 288,070.60, 431,069.10 and 194,758.60 is: 291,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,070.60 : 431,069.10 = 194,758.60 : x
  2. Step 2: Convert to fraction form
    288,070.60/431,069.10 = 194,758.60/x
  3. Step 3: Cross multiply
    288,070.60x = 431,069.10 × 194,758.60
  4. Step 4: Simplify right side
    288,070.60x = 83,954,414,419.26
  5. Step 5: Solve for x
    x = 83,954,414,419.26/288,070.60
  6. Step 6: Final answer
    x = 291,436.94

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