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Finding the Fourth Proportional to 493,781.80, 740,672.70 and 161,391.40

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Solution

The fourth proportional to 493,781.80, 740,672.70 and 161,391.40 is: 242,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,781.80 : 740,672.70 = 161,391.40 : x
  2. Step 2: Convert to fraction form
    493,781.80/740,672.70 = 161,391.40/x
  3. Step 3: Cross multiply
    493,781.80x = 740,672.70 × 161,391.40
  4. Step 4: Simplify right side
    493,781.80x = 119,538,203,994.78
  5. Step 5: Solve for x
    x = 119,538,203,994.78/493,781.80
  6. Step 6: Final answer
    x = 242,087.10

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