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Finding the Fourth Proportional to 323,467.92, 446,425.20 and 196,143.12

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Solution

The fourth proportional to 323,467.92, 446,425.20 and 196,143.12 is: 270,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,467.92 : 446,425.20 = 196,143.12 : x
  2. Step 2: Convert to fraction form
    323,467.92/446,425.20 = 196,143.12/x
  3. Step 3: Cross multiply
    323,467.92x = 446,425.20 × 196,143.12
  4. Step 4: Simplify right side
    323,467.92x = 87,563,231,574.62
  5. Step 5: Solve for x
    x = 87,563,231,574.62/323,467.92
  6. Step 6: Final answer
    x = 270,701.44

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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.