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Finding the Fourth Proportional to 347.96, 522.75 and 174.62

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Solution

The fourth proportional to 347.96, 522.75 and 174.62 is: 262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.96 : 522.75 = 174.62 : x
  2. Step 2: Convert to fraction form
    347.96/522.75 = 174.62/x
  3. Step 3: Cross multiply
    347.96x = 522.75 × 174.62
  4. Step 4: Simplify right side
    347.96x = 91,282.61
  5. Step 5: Solve for x
    x = 91,282.61/347.96
  6. Step 6: Final answer
    x = 262.34

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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.