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Finding the Fourth Proportional to 267,636.72, 401,450.40 and 65,234.64

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Solution

The fourth proportional to 267,636.72, 401,450.40 and 65,234.64 is: 97,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,636.72 : 401,450.40 = 65,234.64 : x
  2. Step 2: Convert to fraction form
    267,636.72/401,450.40 = 65,234.64/x
  3. Step 3: Cross multiply
    267,636.72x = 401,450.40 × 65,234.64
  4. Step 4: Simplify right side
    267,636.72x = 26,188,472,321.86
  5. Step 5: Solve for x
    x = 26,188,472,321.86/267,636.72
  6. Step 6: Final answer
    x = 97,850.82

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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.