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Finding the Fourth Proportional to 323,481.92, 446,444.52 and 196,157.12

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Solution

The fourth proportional to 323,481.92, 446,444.52 and 196,157.12 is: 270,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,481.92 : 446,444.52 = 196,157.12 : x
  2. Step 2: Convert to fraction form
    323,481.92/446,444.52 = 196,157.12/x
  3. Step 3: Cross multiply
    323,481.92x = 446,444.52 × 196,157.12
  4. Step 4: Simplify right side
    323,481.92x = 87,573,271,282.98
  5. Step 5: Solve for x
    x = 87,573,271,282.98/323,481.92
  6. Step 6: Final answer
    x = 270,720.76

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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.