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Finding the Fourth Proportional to 439,742.88, 606,858.72 and 248,752.80

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Solution

The fourth proportional to 439,742.88, 606,858.72 and 248,752.80 is: 343,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,742.88 : 606,858.72 = 248,752.80 : x
  2. Step 2: Convert to fraction form
    439,742.88/606,858.72 = 248,752.80/x
  3. Step 3: Cross multiply
    439,742.88x = 606,858.72 × 248,752.80
  4. Step 4: Simplify right side
    439,742.88x = 150,957,805,804.42
  5. Step 5: Solve for x
    x = 150,957,805,804.42/439,742.88
  6. Step 6: Final answer
    x = 343,286.53

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