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Finding the Fourth Proportional to 327,463.92, 451,955.44 and 189,622.80

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Solution

The fourth proportional to 327,463.92, 451,955.44 and 189,622.80 is: 261,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,463.92 : 451,955.44 = 189,622.80 : x
  2. Step 2: Convert to fraction form
    327,463.92/451,955.44 = 189,622.80/x
  3. Step 3: Cross multiply
    327,463.92x = 451,955.44 × 189,622.80
  4. Step 4: Simplify right side
    327,463.92x = 85,701,056,008.03
  5. Step 5: Solve for x
    x = 85,701,056,008.03/327,463.92
  6. Step 6: Final answer
    x = 261,711.45

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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.