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Finding the Fourth Proportional to 647,604.67, 970,818.92 and 226,650.91

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Solution

The fourth proportional to 647,604.67, 970,818.92 and 226,650.91 is: 339,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,604.67 : 970,818.92 = 226,650.91 : x
  2. Step 2: Convert to fraction form
    647,604.67/970,818.92 = 226,650.91/x
  3. Step 3: Cross multiply
    647,604.67x = 970,818.92 × 226,650.91
  4. Step 4: Simplify right side
    647,604.67x = 220,036,990,529.96
  5. Step 5: Solve for x
    x = 220,036,990,529.96/647,604.67
  6. Step 6: Final answer
    x = 339,770.54

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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.