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Finding the Fourth Proportional to 327,097.21, 451,327.96 and 191,104.88

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Solution

The fourth proportional to 327,097.21, 451,327.96 and 191,104.88 is: 263,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,097.21 : 451,327.96 = 191,104.88 : x
  2. Step 2: Convert to fraction form
    327,097.21/451,327.96 = 191,104.88/x
  3. Step 3: Cross multiply
    327,097.21x = 451,327.96 × 191,104.88
  4. Step 4: Simplify right side
    327,097.21x = 86,250,975,636.44
  5. Step 5: Solve for x
    x = 86,250,975,636.44/327,097.21
  6. Step 6: Final answer
    x = 263,686.06

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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.