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Finding the Fourth Proportional to 271,902.70, 407,197.74 and 163,520.38

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Solution

The fourth proportional to 271,902.70, 407,197.74 and 163,520.38 is: 244,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,902.70 : 407,197.74 = 163,520.38 : x
  2. Step 2: Convert to fraction form
    271,902.70/407,197.74 = 163,520.38/x
  3. Step 3: Cross multiply
    271,902.70x = 407,197.74 × 163,520.38
  4. Step 4: Simplify right side
    271,902.70x = 66,585,129,179.94
  5. Step 5: Solve for x
    x = 66,585,129,179.94/271,902.70
  6. Step 6: Final answer
    x = 244,885.87

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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.