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Finding the Fourth Proportional to 401,516.40, 601,869.60 and 148,634.40

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Solution

The fourth proportional to 401,516.40, 601,869.60 and 148,634.40 is: 222,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,516.40 : 601,869.60 = 148,634.40 : x
  2. Step 2: Convert to fraction form
    401,516.40/601,869.60 = 148,634.40/x
  3. Step 3: Cross multiply
    401,516.40x = 601,869.60 × 148,634.40
  4. Step 4: Simplify right side
    401,516.40x = 89,458,526,874.24
  5. Step 5: Solve for x
    x = 89,458,526,874.24/401,516.40
  6. Step 6: Final answer
    x = 222,801.68

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