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Finding the Fourth Proportional to 327,043, 451,344.60 and 196,225.56

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Solution

The fourth proportional to 327,043, 451,344.60 and 196,225.56 is: 270,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,043 : 451,344.60 = 196,225.56 : x
  2. Step 2: Convert to fraction form
    327,043/451,344.60 = 196,225.56/x
  3. Step 3: Cross multiply
    327,043x = 451,344.60 × 196,225.56
  4. Step 4: Simplify right side
    327,043x = 88,565,346,887.98
  5. Step 5: Solve for x
    x = 88,565,346,887.98/327,043
  6. Step 6: Final answer
    x = 270,806.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.