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Finding the Fourth Proportional to 352,378.41, 486,285.78 and 191,234.85

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Solution

The fourth proportional to 352,378.41, 486,285.78 and 191,234.85 is: 263,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,378.41 : 486,285.78 = 191,234.85 : x
  2. Step 2: Convert to fraction form
    352,378.41/486,285.78 = 191,234.85/x
  3. Step 3: Cross multiply
    352,378.41x = 486,285.78 × 191,234.85
  4. Step 4: Simplify right side
    352,378.41x = 92,994,788,195.43
  5. Step 5: Solve for x
    x = 92,994,788,195.43/352,378.41
  6. Step 6: Final answer
    x = 263,906.03

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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.