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Finding the Fourth Proportional to 562.58, 843.80 and 197.34

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Solution

The fourth proportional to 562.58, 843.80 and 197.34 is: 295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.58 : 843.80 = 197.34 : x
  2. Step 2: Convert to fraction form
    562.58/843.80 = 197.34/x
  3. Step 3: Cross multiply
    562.58x = 843.80 × 197.34
  4. Step 4: Simplify right side
    562.58x = 166,515.49
  5. Step 5: Solve for x
    x = 166,515.49/562.58
  6. Step 6: Final answer
    x = 295.99

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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.