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Finding the Fourth Proportional to 5,297,131.45, 7,945,770.08 and 1,510,614.73

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Solution

The fourth proportional to 5,297,131.45, 7,945,770.08 and 1,510,614.73 is: 2,265,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,131.45 : 7,945,770.08 = 1,510,614.73 : x
  2. Step 2: Convert to fraction form
    5,297,131.45/7,945,770.08 = 1,510,614.73/x
  3. Step 3: Cross multiply
    5,297,131.45x = 7,945,770.08 × 1,510,614.73
  4. Step 4: Simplify right side
    5,297,131.45x = 12,002,997,324,041.28
  5. Step 5: Solve for x
    x = 12,002,997,324,041.28/5,297,131.45
  6. Step 6: Final answer
    x = 2,265,942.89

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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.