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Finding the Fourth Proportional to 297,377.67, 410,370.20 and 161,408.73

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Solution

The fourth proportional to 297,377.67, 410,370.20 and 161,408.73 is: 222,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,377.67 : 410,370.20 = 161,408.73 : x
  2. Step 2: Convert to fraction form
    297,377.67/410,370.20 = 161,408.73/x
  3. Step 3: Cross multiply
    297,377.67x = 410,370.20 × 161,408.73
  4. Step 4: Simplify right side
    297,377.67x = 66,237,330,686.47
  5. Step 5: Solve for x
    x = 66,237,330,686.47/297,377.67
  6. Step 6: Final answer
    x = 222,738.08

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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.