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Finding the Fourth Proportional to 352,245.65, 486,099.92 and 191,100.69

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Solution

The fourth proportional to 352,245.65, 486,099.92 and 191,100.69 is: 263,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,245.65 : 486,099.92 = 191,100.69 : x
  2. Step 2: Convert to fraction form
    352,245.65/486,099.92 = 191,100.69/x
  3. Step 3: Cross multiply
    352,245.65x = 486,099.92 × 191,100.69
  4. Step 4: Simplify right side
    352,245.65x = 92,894,030,120.94
  5. Step 5: Solve for x
    x = 92,894,030,120.94/352,245.65
  6. Step 6: Final answer
    x = 263,719.46

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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.