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Finding the Fourth Proportional to 463,569.12, 639,672.48 and 259,591.68

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Solution

The fourth proportional to 463,569.12, 639,672.48 and 259,591.68 is: 358,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,569.12 : 639,672.48 = 259,591.68 : x
  2. Step 2: Convert to fraction form
    463,569.12/639,672.48 = 259,591.68/x
  3. Step 3: Cross multiply
    463,569.12x = 639,672.48 × 259,591.68
  4. Step 4: Simplify right side
    463,569.12x = 166,053,653,732.97
  5. Step 5: Solve for x
    x = 166,053,653,732.97/463,569.12
  6. Step 6: Final answer
    x = 358,206.89

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