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Finding the Fourth Proportional to 398,113.40, 597,170.10 and 117,626.60

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Solution

The fourth proportional to 398,113.40, 597,170.10 and 117,626.60 is: 176,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,113.40 : 597,170.10 = 117,626.60 : x
  2. Step 2: Convert to fraction form
    398,113.40/597,170.10 = 117,626.60/x
  3. Step 3: Cross multiply
    398,113.40x = 597,170.10 × 117,626.60
  4. Step 4: Simplify right side
    398,113.40x = 70,243,088,484.66
  5. Step 5: Solve for x
    x = 70,243,088,484.66/398,113.40
  6. Step 6: Final answer
    x = 176,439.90

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