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Finding the Fourth Proportional to 464,818.80, 697,228.20 and 405,769.80

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Solution

The fourth proportional to 464,818.80, 697,228.20 and 405,769.80 is: 608,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,818.80 : 697,228.20 = 405,769.80 : x
  2. Step 2: Convert to fraction form
    464,818.80/697,228.20 = 405,769.80/x
  3. Step 3: Cross multiply
    464,818.80x = 697,228.20 × 405,769.80
  4. Step 4: Simplify right side
    464,818.80x = 282,914,147,268.36
  5. Step 5: Solve for x
    x = 282,914,147,268.36/464,818.80
  6. Step 6: Final answer
    x = 608,654.70

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