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Finding the Fourth Proportional to 264,640.63, 397,471.56 and 226,775.74

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Solution

The fourth proportional to 264,640.63, 397,471.56 and 226,775.74 is: 340,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,640.63 : 397,471.56 = 226,775.74 : x
  2. Step 2: Convert to fraction form
    264,640.63/397,471.56 = 226,775.74/x
  3. Step 3: Cross multiply
    264,640.63x = 397,471.56 × 226,775.74
  4. Step 4: Simplify right side
    264,640.63x = 90,136,907,147.95
  5. Step 5: Solve for x
    x = 90,136,907,147.95/264,640.63
  6. Step 6: Final answer
    x = 340,601.17

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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.