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Finding the Fourth Proportional to 241,443, 361,859.22 and 211,383.61

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Solution

The fourth proportional to 241,443, 361,859.22 and 211,383.61 is: 316,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,443 : 361,859.22 = 211,383.61 : x
  2. Step 2: Convert to fraction form
    241,443/361,859.22 = 211,383.61/x
  3. Step 3: Cross multiply
    241,443x = 361,859.22 × 211,383.61
  4. Step 4: Simplify right side
    241,443x = 76,491,107,330.74
  5. Step 5: Solve for x
    x = 76,491,107,330.74/241,443
  6. Step 6: Final answer
    x = 316,808.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.