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Finding the Fourth Proportional to 397,256.40, 595,884.60 and 239,792.40

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Solution

The fourth proportional to 397,256.40, 595,884.60 and 239,792.40 is: 359,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,256.40 : 595,884.60 = 239,792.40 : x
  2. Step 2: Convert to fraction form
    397,256.40/595,884.60 = 239,792.40/x
  3. Step 3: Cross multiply
    397,256.40x = 595,884.60 × 239,792.40
  4. Step 4: Simplify right side
    397,256.40x = 142,888,598,357.04
  5. Step 5: Solve for x
    x = 142,888,598,357.04/397,256.40
  6. Step 6: Final answer
    x = 359,688.60

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