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Finding the Fourth Proportional to 327,019.74, 451,410.57 and 191,097.90

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Solution

The fourth proportional to 327,019.74, 451,410.57 and 191,097.90 is: 263,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,019.74 : 451,410.57 = 191,097.90 : x
  2. Step 2: Convert to fraction form
    327,019.74/451,410.57 = 191,097.90/x
  3. Step 3: Cross multiply
    327,019.74x = 451,410.57 × 191,097.90
  4. Step 4: Simplify right side
    327,019.74x = 86,263,611,964.80
  5. Step 5: Solve for x
    x = 86,263,611,964.80/327,019.74
  6. Step 6: Final answer
    x = 263,787.17

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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.