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Finding the Fourth Proportional to 361,446.34, 541,433.22 and 171,330.46

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Solution

The fourth proportional to 361,446.34, 541,433.22 and 171,330.46 is: 256,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,446.34 : 541,433.22 = 171,330.46 : x
  2. Step 2: Convert to fraction form
    361,446.34/541,433.22 = 171,330.46/x
  3. Step 3: Cross multiply
    361,446.34x = 541,433.22 × 171,330.46
  4. Step 4: Simplify right side
    361,446.34x = 92,764,002,641.88
  5. Step 5: Solve for x
    x = 92,764,002,641.88/361,446.34
  6. Step 6: Final answer
    x = 256,646.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.