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Finding the Fourth Proportional to 350,711.20, 525,721.20 and 173,245.60

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Solution

The fourth proportional to 350,711.20, 525,721.20 and 173,245.60 is: 259,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,711.20 : 525,721.20 = 173,245.60 : x
  2. Step 2: Convert to fraction form
    350,711.20/525,721.20 = 173,245.60/x
  3. Step 3: Cross multiply
    350,711.20x = 525,721.20 × 173,245.60
  4. Step 4: Simplify right side
    350,711.20x = 91,078,884,726.72
  5. Step 5: Solve for x
    x = 91,078,884,726.72/350,711.20
  6. Step 6: Final answer
    x = 259,697.68

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