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Finding the Fourth Proportional to 415,358.27, 623,028.46 and 115,830.87

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Solution

The fourth proportional to 415,358.27, 623,028.46 and 115,830.87 is: 173,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358.27 : 623,028.46 = 115,830.87 : x
  2. Step 2: Convert to fraction form
    415,358.27/623,028.46 = 115,830.87/x
  3. Step 3: Cross multiply
    415,358.27x = 623,028.46 × 115,830.87
  4. Step 4: Simplify right side
    415,358.27x = 72,165,928,556.56
  5. Step 5: Solve for x
    x = 72,165,928,556.56/415,358.27
  6. Step 6: Final answer
    x = 173,743.81

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