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Finding the Fourth Proportional to 352,367.22, 486,270.33 and 191,223.66

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Solution

The fourth proportional to 352,367.22, 486,270.33 and 191,223.66 is: 263,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,367.22 : 486,270.33 = 191,223.66 : x
  2. Step 2: Convert to fraction form
    352,367.22/486,270.33 = 191,223.66/x
  3. Step 3: Cross multiply
    352,367.22x = 486,270.33 × 191,223.66
  4. Step 4: Simplify right side
    352,367.22x = 92,986,392,252.01
  5. Step 5: Solve for x
    x = 92,986,392,252.01/352,367.22
  6. Step 6: Final answer
    x = 263,890.59

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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.