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Finding the Fourth Proportional to 331,074.80, 496,871.40 and 153,603.80

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Solution

The fourth proportional to 331,074.80, 496,871.40 and 153,603.80 is: 230,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,074.80 : 496,871.40 = 153,603.80 : x
  2. Step 2: Convert to fraction form
    331,074.80/496,871.40 = 153,603.80/x
  3. Step 3: Cross multiply
    331,074.80x = 496,871.40 × 153,603.80
  4. Step 4: Simplify right side
    331,074.80x = 76,321,335,151.32
  5. Step 5: Solve for x
    x = 76,321,335,151.32/331,074.80
  6. Step 6: Final answer
    x = 230,525.96

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