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Finding the Fourth Proportional to 474,857.74, 655,303.57 and 259,997.75

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Solution

The fourth proportional to 474,857.74, 655,303.57 and 259,997.75 is: 358,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,857.74 : 655,303.57 = 259,997.75 : x
  2. Step 2: Convert to fraction form
    474,857.74/655,303.57 = 259,997.75/x
  3. Step 3: Cross multiply
    474,857.74x = 655,303.57 × 259,997.75
  4. Step 4: Simplify right side
    474,857.74x = 170,377,452,297.84
  5. Step 5: Solve for x
    x = 170,377,452,297.84/474,857.74
  6. Step 6: Final answer
    x = 358,796.83

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