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Finding the Fourth Proportional to 297,937.70, 446,906.55 and 275,192.90

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Solution

The fourth proportional to 297,937.70, 446,906.55 and 275,192.90 is: 412,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,937.70 : 446,906.55 = 275,192.90 : x
  2. Step 2: Convert to fraction form
    297,937.70/446,906.55 = 275,192.90/x
  3. Step 3: Cross multiply
    297,937.70x = 446,906.55 × 275,192.90
  4. Step 4: Simplify right side
    297,937.70x = 122,985,509,523.50
  5. Step 5: Solve for x
    x = 122,985,509,523.50/297,937.70
  6. Step 6: Final answer
    x = 412,789.35

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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.