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Finding the Fourth Proportional to 562.08, 842.91 and 196.77

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Solution

The fourth proportional to 562.08, 842.91 and 196.77 is: 295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.08 : 842.91 = 196.77 : x
  2. Step 2: Convert to fraction form
    562.08/842.91 = 196.77/x
  3. Step 3: Cross multiply
    562.08x = 842.91 × 196.77
  4. Step 4: Simplify right side
    562.08x = 165,859.40
  5. Step 5: Solve for x
    x = 165,859.40/562.08
  6. Step 6: Final answer
    x = 295.08

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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.