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Finding the Fourth Proportional to 404,562.80, 606,698.40 and 204,816.80

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Solution

The fourth proportional to 404,562.80, 606,698.40 and 204,816.80 is: 307,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,562.80 : 606,698.40 = 204,816.80 : x
  2. Step 2: Convert to fraction form
    404,562.80/606,698.40 = 204,816.80/x
  3. Step 3: Cross multiply
    404,562.80x = 606,698.40 × 204,816.80
  4. Step 4: Simplify right side
    404,562.80x = 124,262,024,853.12
  5. Step 5: Solve for x
    x = 124,262,024,853.12/404,562.80
  6. Step 6: Final answer
    x = 307,151.39

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