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Finding the Fourth Proportional to 461,346.52, 691,940 and 208,568.24

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Solution

The fourth proportional to 461,346.52, 691,940 and 208,568.24 is: 312,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,346.52 : 691,940 = 208,568.24 : x
  2. Step 2: Convert to fraction form
    461,346.52/691,940 = 208,568.24/x
  3. Step 3: Cross multiply
    461,346.52x = 691,940 × 208,568.24
  4. Step 4: Simplify right side
    461,346.52x = 144,316,707,985.60
  5. Step 5: Solve for x
    x = 144,316,707,985.60/461,346.52
  6. Step 6: Final answer
    x = 312,816.29

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