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Finding the Fourth Proportional to 451,105.29, 676,234.10 and 151,375.67

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Solution

The fourth proportional to 451,105.29, 676,234.10 and 151,375.67 is: 226,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,105.29 : 676,234.10 = 151,375.67 : x
  2. Step 2: Convert to fraction form
    451,105.29/676,234.10 = 151,375.67/x
  3. Step 3: Cross multiply
    451,105.29x = 676,234.10 × 151,375.67
  4. Step 4: Simplify right side
    451,105.29x = 102,365,385,826.30
  5. Step 5: Solve for x
    x = 102,365,385,826.30/451,105.29
  6. Step 6: Final answer
    x = 226,921.27

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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.