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Finding the Fourth Proportional to 439,744.80, 659,669.76 and 155,376.48

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Solution

The fourth proportional to 439,744.80, 659,669.76 and 155,376.48 is: 233,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,744.80 : 659,669.76 = 155,376.48 : x
  2. Step 2: Convert to fraction form
    439,744.80/659,669.76 = 155,376.48/x
  3. Step 3: Cross multiply
    439,744.80x = 659,669.76 × 155,376.48
  4. Step 4: Simplify right side
    439,744.80x = 102,497,165,271.25
  5. Step 5: Solve for x
    x = 102,497,165,271.25/439,744.80
  6. Step 6: Final answer
    x = 233,083.29

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