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Finding the Fourth Proportional to 324,149.40, 486,005.40 and 172,371.60

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Solution

The fourth proportional to 324,149.40, 486,005.40 and 172,371.60 is: 258,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,149.40 : 486,005.40 = 172,371.60 : x
  2. Step 2: Convert to fraction form
    324,149.40/486,005.40 = 172,371.60/x
  3. Step 3: Cross multiply
    324,149.40x = 486,005.40 × 172,371.60
  4. Step 4: Simplify right side
    324,149.40x = 83,773,528,406.64
  5. Step 5: Solve for x
    x = 83,773,528,406.64/324,149.40
  6. Step 6: Final answer
    x = 258,441.10

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