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Finding the Fourth Proportional to 352,244.20, 486,096.60 and 191,099.20

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Solution

The fourth proportional to 352,244.20, 486,096.60 and 191,099.20 is: 263,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,244.20 : 486,096.60 = 191,099.20 : x
  2. Step 2: Convert to fraction form
    352,244.20/486,096.60 = 191,099.20/x
  3. Step 3: Cross multiply
    352,244.20x = 486,096.60 × 191,099.20
  4. Step 4: Simplify right side
    352,244.20x = 92,892,671,382.72
  5. Step 5: Solve for x
    x = 92,892,671,382.72/352,244.20
  6. Step 6: Final answer
    x = 263,716.68

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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.