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Finding the Fourth Proportional to 647,152.40, 970,555.80 and 197,872.40

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Solution

The fourth proportional to 647,152.40, 970,555.80 and 197,872.40 is: 296,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,152.40 : 970,555.80 = 197,872.40 : x
  2. Step 2: Convert to fraction form
    647,152.40/970,555.80 = 197,872.40/x
  3. Step 3: Cross multiply
    647,152.40x = 970,555.80 × 197,872.40
  4. Step 4: Simplify right side
    647,152.40x = 192,046,205,479.92
  5. Step 5: Solve for x
    x = 192,046,205,479.92/647,152.40
  6. Step 6: Final answer
    x = 296,755.76

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