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Finding the Fourth Proportional to 347.22, 520.92 and 116.14

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Solution

The fourth proportional to 347.22, 520.92 and 116.14 is: 174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.22 : 520.92 = 116.14 : x
  2. Step 2: Convert to fraction form
    347.22/520.92 = 116.14/x
  3. Step 3: Cross multiply
    347.22x = 520.92 × 116.14
  4. Step 4: Simplify right side
    347.22x = 60,498.35
  5. Step 5: Solve for x
    x = 60,498.35/347.22
  6. Step 6: Final answer
    x = 174.23

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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.