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Finding the Fourth Proportional to 227,431.70, 341,475.60 and 171,663.20

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Solution

The fourth proportional to 227,431.70, 341,475.60 and 171,663.20 is: 257,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,431.70 : 341,475.60 = 171,663.20 : x
  2. Step 2: Convert to fraction form
    227,431.70/341,475.60 = 171,663.20/x
  3. Step 3: Cross multiply
    227,431.70x = 341,475.60 × 171,663.20
  4. Step 4: Simplify right side
    227,431.70x = 58,618,794,217.92
  5. Step 5: Solve for x
    x = 58,618,794,217.92/227,431.70
  6. Step 6: Final answer
    x = 257,742.41

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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.