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Finding the Fourth Proportional to 562.08, 842.88 and 196.92

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Solution

The fourth proportional to 562.08, 842.88 and 196.92 is: 295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.08 : 842.88 = 196.92 : x
  2. Step 2: Convert to fraction form
    562.08/842.88 = 196.92/x
  3. Step 3: Cross multiply
    562.08x = 842.88 × 196.92
  4. Step 4: Simplify right side
    562.08x = 165,979.93
  5. Step 5: Solve for x
    x = 165,979.93/562.08
  6. Step 6: Final answer
    x = 295.30

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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.