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Finding the Fourth Proportional to 312,043.20, 467,287.20 and 249,835.20

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Solution

The fourth proportional to 312,043.20, 467,287.20 and 249,835.20 is: 374,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,043.20 : 467,287.20 = 249,835.20 : x
  2. Step 2: Convert to fraction form
    312,043.20/467,287.20 = 249,835.20/x
  3. Step 3: Cross multiply
    312,043.20x = 467,287.20 × 249,835.20
  4. Step 4: Simplify right side
    312,043.20x = 116,744,791,069.44
  5. Step 5: Solve for x
    x = 116,744,791,069.44/312,043.20
  6. Step 6: Final answer
    x = 374,130.22

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