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Finding the Fourth Proportional to 397,464.72, 548,500.92 and 227,699.52

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Solution

The fourth proportional to 397,464.72, 548,500.92 and 227,699.52 is: 314,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,464.72 : 548,500.92 = 227,699.52 : x
  2. Step 2: Convert to fraction form
    397,464.72/548,500.92 = 227,699.52/x
  3. Step 3: Cross multiply
    397,464.72x = 548,500.92 × 227,699.52
  4. Step 4: Simplify right side
    397,464.72x = 124,893,396,203.56
  5. Step 5: Solve for x
    x = 124,893,396,203.56/397,464.72
  6. Step 6: Final answer
    x = 314,225.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.