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Finding the Fourth Proportional to 562,997.27, 844,842.52 and 221,380.58

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Solution

The fourth proportional to 562,997.27, 844,842.52 and 221,380.58 is: 332,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,997.27 : 844,842.52 = 221,380.58 : x
  2. Step 2: Convert to fraction form
    562,997.27/844,842.52 = 221,380.58/x
  3. Step 3: Cross multiply
    562,997.27x = 844,842.52 × 221,380.58
  4. Step 4: Simplify right side
    562,997.27x = 187,031,727,086.26
  5. Step 5: Solve for x
    x = 187,031,727,086.26/562,997.27
  6. Step 6: Final answer
    x = 332,207.17

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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.