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Finding the Fourth Proportional to 562,215.20, 775,857.92 and 332,957.43

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Solution

The fourth proportional to 562,215.20, 775,857.92 and 332,957.43 is: 459,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,215.20 : 775,857.92 = 332,957.43 : x
  2. Step 2: Convert to fraction form
    562,215.20/775,857.92 = 332,957.43/x
  3. Step 3: Cross multiply
    562,215.20x = 775,857.92 × 332,957.43
  4. Step 4: Simplify right side
    562,215.20x = 258,327,657,423.56
  5. Step 5: Solve for x
    x = 258,327,657,423.56/562,215.20
  6. Step 6: Final answer
    x = 459,481.81

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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.