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Finding the Fourth Proportional to 611,141.68, 843,362.81 and 339,193.62

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Solution

The fourth proportional to 611,141.68, 843,362.81 and 339,193.62 is: 468,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,141.68 : 843,362.81 = 339,193.62 : x
  2. Step 2: Convert to fraction form
    611,141.68/843,362.81 = 339,193.62/x
  3. Step 3: Cross multiply
    611,141.68x = 843,362.81 × 339,193.62
  4. Step 4: Simplify right side
    611,141.68x = 286,063,284,497.27
  5. Step 5: Solve for x
    x = 286,063,284,497.27/611,141.68
  6. Step 6: Final answer
    x = 468,080.14

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