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Finding the Fourth Proportional to 308,539.80, 461,934.90 and 308,539.80

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Solution

The fourth proportional to 308,539.80, 461,934.90 and 308,539.80 is: 461,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,539.80 : 461,934.90 = 308,539.80 : x
  2. Step 2: Convert to fraction form
    308,539.80/461,934.90 = 308,539.80/x
  3. Step 3: Cross multiply
    308,539.80x = 461,934.90 × 308,539.80
  4. Step 4: Simplify right side
    308,539.80x = 142,525,301,659.02
  5. Step 5: Solve for x
    x = 142,525,301,659.02/308,539.80
  6. Step 6: Final answer
    x = 461,934.90

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