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Finding the Fourth Proportional to 646,607.46, 969,911.21 and 197,330.64

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Solution

The fourth proportional to 646,607.46, 969,911.21 and 197,330.64 is: 295,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,607.46 : 969,911.21 = 197,330.64 : x
  2. Step 2: Convert to fraction form
    646,607.46/969,911.21 = 197,330.64/x
  3. Step 3: Cross multiply
    646,607.46x = 969,911.21 × 197,330.64
  4. Step 4: Simplify right side
    646,607.46x = 191,393,199,812.47
  5. Step 5: Solve for x
    x = 191,393,199,812.47/646,607.46
  6. Step 6: Final answer
    x = 295,995.97

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