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Finding the Fourth Proportional to 562.05, 842.88 and 196.83

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Solution

The fourth proportional to 562.05, 842.88 and 196.83 is: 295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.05 : 842.88 = 196.83 : x
  2. Step 2: Convert to fraction form
    562.05/842.88 = 196.83/x
  3. Step 3: Cross multiply
    562.05x = 842.88 × 196.83
  4. Step 4: Simplify right side
    562.05x = 165,904.07
  5. Step 5: Solve for x
    x = 165,904.07/562.05
  6. Step 6: Final answer
    x = 295.18

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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.