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Finding the Fourth Proportional to 404,945.62, 608,042.68 and 342,585.13

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Solution

The fourth proportional to 404,945.62, 608,042.68 and 342,585.13 is: 514,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,945.62 : 608,042.68 = 342,585.13 : x
  2. Step 2: Convert to fraction form
    404,945.62/608,042.68 = 342,585.13/x
  3. Step 3: Cross multiply
    404,945.62x = 608,042.68 × 342,585.13
  4. Step 4: Simplify right side
    404,945.62x = 208,306,380,573.35
  5. Step 5: Solve for x
    x = 208,306,380,573.35/404,945.62
  6. Step 6: Final answer
    x = 514,405.81

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