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Finding the Fourth Proportional to 331,100.70, 497,169.45 and 226,383.90

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Solution

The fourth proportional to 331,100.70, 497,169.45 and 226,383.90 is: 339,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,100.70 : 497,169.45 = 226,383.90 : x
  2. Step 2: Convert to fraction form
    331,100.70/497,169.45 = 226,383.90/x
  3. Step 3: Cross multiply
    331,100.70x = 497,169.45 × 226,383.90
  4. Step 4: Simplify right side
    331,100.70x = 112,551,159,051.86
  5. Step 5: Solve for x
    x = 112,551,159,051.86/331,100.70
  6. Step 6: Final answer
    x = 339,930.30

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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.