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Finding the Fourth Proportional to 393,247, 589,872.66 and 97,759

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Solution

The fourth proportional to 393,247, 589,872.66 and 97,759 is: 146,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,247 : 589,872.66 = 97,759 : x
  2. Step 2: Convert to fraction form
    393,247/589,872.66 = 97,759/x
  3. Step 3: Cross multiply
    393,247x = 589,872.66 × 97,759
  4. Step 4: Simplify right side
    393,247x = 57,665,361,368.94
  5. Step 5: Solve for x
    x = 57,665,361,368.94/393,247
  6. Step 6: Final answer
    x = 146,639.04

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