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Finding the Fourth Proportional to 260,421.08, 390,229.56 and 175,849.80

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Solution

The fourth proportional to 260,421.08, 390,229.56 and 175,849.80 is: 263,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,421.08 : 390,229.56 = 175,849.80 : x
  2. Step 2: Convert to fraction form
    260,421.08/390,229.56 = 175,849.80/x
  3. Step 3: Cross multiply
    260,421.08x = 390,229.56 × 175,849.80
  4. Step 4: Simplify right side
    260,421.08x = 68,621,790,080.09
  5. Step 5: Solve for x
    x = 68,621,790,080.09/260,421.08
  6. Step 6: Final answer
    x = 263,503.21

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