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Finding the Fourth Proportional to 348.53, 522.41 and 174.85

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Solution

The fourth proportional to 348.53, 522.41 and 174.85 is: 262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.53 : 522.41 = 174.85 : x
  2. Step 2: Convert to fraction form
    348.53/522.41 = 174.85/x
  3. Step 3: Cross multiply
    348.53x = 522.41 × 174.85
  4. Step 4: Simplify right side
    348.53x = 91,341.21
  5. Step 5: Solve for x
    x = 91,341.21/348.53
  6. Step 6: Final answer
    x = 262.08

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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.