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Finding the Fourth Proportional to 647,003.56, 970,596.06 and 226,183.72

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Solution

The fourth proportional to 647,003.56, 970,596.06 and 226,183.72 is: 339,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,003.56 : 970,596.06 = 226,183.72 : x
  2. Step 2: Convert to fraction form
    647,003.56/970,596.06 = 226,183.72/x
  3. Step 3: Cross multiply
    647,003.56x = 970,596.06 × 226,183.72
  4. Step 4: Simplify right side
    647,003.56x = 219,533,027,468.14
  5. Step 5: Solve for x
    x = 219,533,027,468.14/647,003.56
  6. Step 6: Final answer
    x = 339,307.29

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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.