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Finding the Fourth Proportional to 419,598.24, 629,659.86 and 170,280.24

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Solution

The fourth proportional to 419,598.24, 629,659.86 and 170,280.24 is: 255,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,598.24 : 629,659.86 = 170,280.24 : x
  2. Step 2: Convert to fraction form
    419,598.24/629,659.86 = 170,280.24/x
  3. Step 3: Cross multiply
    419,598.24x = 629,659.86 × 170,280.24
  4. Step 4: Simplify right side
    419,598.24x = 107,218,632,079.17
  5. Step 5: Solve for x
    x = 107,218,632,079.17/419,598.24
  6. Step 6: Final answer
    x = 255,526.89

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