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Finding the Fourth Proportional to 404,538.80, 606,881.10 and 167,905.40

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Solution

The fourth proportional to 404,538.80, 606,881.10 and 167,905.40 is: 251,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,538.80 : 606,881.10 = 167,905.40 : x
  2. Step 2: Convert to fraction form
    404,538.80/606,881.10 = 167,905.40/x
  3. Step 3: Cross multiply
    404,538.80x = 606,881.10 × 167,905.40
  4. Step 4: Simplify right side
    404,538.80x = 101,898,613,847.94
  5. Step 5: Solve for x
    x = 101,898,613,847.94/404,538.80
  6. Step 6: Final answer
    x = 251,888.36

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