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Finding the Fourth Proportional to 415,147.01, 622,721.10 and 115,628.45

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Solution

The fourth proportional to 415,147.01, 622,721.10 and 115,628.45 is: 173,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,147.01 : 622,721.10 = 115,628.45 : x
  2. Step 2: Convert to fraction form
    415,147.01/622,721.10 = 115,628.45/x
  3. Step 3: Cross multiply
    415,147.01x = 622,721.10 × 115,628.45
  4. Step 4: Simplify right side
    415,147.01x = 72,004,275,575.30
  5. Step 5: Solve for x
    x = 72,004,275,575.30/415,147.01
  6. Step 6: Final answer
    x = 173,442.84

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