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Finding the Fourth Proportional to 393,228, 589,844.16 and 97,740

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Solution

The fourth proportional to 393,228, 589,844.16 and 97,740 is: 146,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,228 : 589,844.16 = 97,740 : x
  2. Step 2: Convert to fraction form
    393,228/589,844.16 = 97,740/x
  3. Step 3: Cross multiply
    393,228x = 589,844.16 × 97,740
  4. Step 4: Simplify right side
    393,228x = 57,651,368,198.40
  5. Step 5: Solve for x
    x = 57,651,368,198.40/393,228
  6. Step 6: Final answer
    x = 146,610.54

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