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Finding the Fourth Proportional to 647,605.03, 970,819.47 and 226,651.27

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Solution

The fourth proportional to 647,605.03, 970,819.47 and 226,651.27 is: 339,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,605.03 : 970,819.47 = 226,651.27 : x
  2. Step 2: Convert to fraction form
    647,605.03/970,819.47 = 226,651.27/x
  3. Step 3: Cross multiply
    647,605.03x = 970,819.47 × 226,651.27
  4. Step 4: Simplify right side
    647,605.03x = 220,037,465,816.23
  5. Step 5: Solve for x
    x = 220,037,465,816.23/647,605.03
  6. Step 6: Final answer
    x = 339,771.09

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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.