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Finding the Fourth Proportional to 661,449.78, 992,615.85 and 240,725.52

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Solution

The fourth proportional to 661,449.78, 992,615.85 and 240,725.52 is: 361,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,449.78 : 992,615.85 = 240,725.52 : x
  2. Step 2: Convert to fraction form
    661,449.78/992,615.85 = 240,725.52/x
  3. Step 3: Cross multiply
    661,449.78x = 992,615.85 × 240,725.52
  4. Step 4: Simplify right side
    661,449.78x = 238,947,966,651.49
  5. Step 5: Solve for x
    x = 238,947,966,651.49/661,449.78
  6. Step 6: Final answer
    x = 361,248.84

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