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Finding the Fourth Proportional to 632.22, 872.82 and 596.58

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Solution

The fourth proportional to 632.22, 872.82 and 596.58 is: 823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.22 : 872.82 = 596.58 : x
  2. Step 2: Convert to fraction form
    632.22/872.82 = 596.58/x
  3. Step 3: Cross multiply
    632.22x = 872.82 × 596.58
  4. Step 4: Simplify right side
    632.22x = 520,706.96
  5. Step 5: Solve for x
    x = 520,706.96/632.22
  6. Step 6: Final answer
    x = 823.62

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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.