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Finding the Fourth Proportional to 543,742.20, 815,613.30 and 188,792.10

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Solution

The fourth proportional to 543,742.20, 815,613.30 and 188,792.10 is: 283,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,742.20 : 815,613.30 = 188,792.10 : x
  2. Step 2: Convert to fraction form
    543,742.20/815,613.30 = 188,792.10/x
  3. Step 3: Cross multiply
    543,742.20x = 815,613.30 × 188,792.10
  4. Step 4: Simplify right side
    543,742.20x = 153,981,347,694.93
  5. Step 5: Solve for x
    x = 153,981,347,694.93/543,742.20
  6. Step 6: Final answer
    x = 283,188.15

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