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Finding the Fourth Proportional to 352,559.49, 486,532.09 and 191,414.56

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Solution

The fourth proportional to 352,559.49, 486,532.09 and 191,414.56 is: 264,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,559.49 : 486,532.09 = 191,414.56 : x
  2. Step 2: Convert to fraction form
    352,559.49/486,532.09 = 191,414.56/x
  3. Step 3: Cross multiply
    352,559.49x = 486,532.09 × 191,414.56
  4. Step 4: Simplify right side
    352,559.49x = 93,129,324,791.71
  5. Step 5: Solve for x
    x = 93,129,324,791.71/352,559.49
  6. Step 6: Final answer
    x = 264,152.09

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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.