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Finding the Fourth Proportional to 652,719.30, 978,857.20 and 226,155.57

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Solution

The fourth proportional to 652,719.30, 978,857.20 and 226,155.57 is: 339,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,719.30 : 978,857.20 = 226,155.57 : x
  2. Step 2: Convert to fraction form
    652,719.30/978,857.20 = 226,155.57/x
  3. Step 3: Cross multiply
    652,719.30x = 978,857.20 × 226,155.57
  4. Step 4: Simplify right side
    652,719.30x = 221,374,008,014.60
  5. Step 5: Solve for x
    x = 221,374,008,014.60/652,719.30
  6. Step 6: Final answer
    x = 339,156.52

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