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Finding the Fourth Proportional to 406,004.80, 608,949.60 and 125,550.40

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Solution

The fourth proportional to 406,004.80, 608,949.60 and 125,550.40 is: 188,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,004.80 : 608,949.60 = 125,550.40 : x
  2. Step 2: Convert to fraction form
    406,004.80/608,949.60 = 125,550.40/x
  3. Step 3: Cross multiply
    406,004.80x = 608,949.60 × 125,550.40
  4. Step 4: Simplify right side
    406,004.80x = 76,453,865,859.84
  5. Step 5: Solve for x
    x = 76,453,865,859.84/406,004.80
  6. Step 6: Final answer
    x = 188,307.79

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