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Finding the Fourth Proportional to 298,542.38, 411,553.23 and 226,797.86

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Solution

The fourth proportional to 298,542.38, 411,553.23 and 226,797.86 is: 312,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,542.38 : 411,553.23 = 226,797.86 : x
  2. Step 2: Convert to fraction form
    298,542.38/411,553.23 = 226,797.86/x
  3. Step 3: Cross multiply
    298,542.38x = 411,553.23 × 226,797.86
  4. Step 4: Simplify right side
    298,542.38x = 93,339,391,840.09
  5. Step 5: Solve for x
    x = 93,339,391,840.09/298,542.38
  6. Step 6: Final answer
    x = 312,650.39

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1.5x scale

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.