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Finding the Fourth Proportional to 439,996.80, 659,865.60 and 173,668.80

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Solution

The fourth proportional to 439,996.80, 659,865.60 and 173,668.80 is: 260,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,996.80 : 659,865.60 = 173,668.80 : x
  2. Step 2: Convert to fraction form
    439,996.80/659,865.60 = 173,668.80/x
  3. Step 3: Cross multiply
    439,996.80x = 659,865.60 × 173,668.80
  4. Step 4: Simplify right side
    439,996.80x = 114,598,066,913.28
  5. Step 5: Solve for x
    x = 114,598,066,913.28/439,996.80
  6. Step 6: Final answer
    x = 260,452.05

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