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Finding the Fourth Proportional to 348.58, 522.48 and 174.97

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Solution

The fourth proportional to 348.58, 522.48 and 174.97 is: 262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.58 : 522.48 = 174.97 : x
  2. Step 2: Convert to fraction form
    348.58/522.48 = 174.97/x
  3. Step 3: Cross multiply
    348.58x = 522.48 × 174.97
  4. Step 4: Simplify right side
    348.58x = 91,415.71
  5. Step 5: Solve for x
    x = 91,415.71/348.58
  6. Step 6: Final answer
    x = 262.26

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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.