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Finding the Fourth Proportional to 327,331.62, 451,779.64 and 204,880.78

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Solution

The fourth proportional to 327,331.62, 451,779.64 and 204,880.78 is: 282,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,331.62 : 451,779.64 = 204,880.78 : x
  2. Step 2: Convert to fraction form
    327,331.62/451,779.64 = 204,880.78/x
  3. Step 3: Cross multiply
    327,331.62x = 451,779.64 × 204,880.78
  4. Step 4: Simplify right side
    327,331.62x = 92,560,965,031.32
  5. Step 5: Solve for x
    x = 92,560,965,031.32/327,331.62
  6. Step 6: Final answer
    x = 282,774.29

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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.