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Finding the Fourth Proportional to 348.46, 522.62 and 175.06

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Solution

The fourth proportional to 348.46, 522.62 and 175.06 is: 262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.46 : 522.62 = 175.06 : x
  2. Step 2: Convert to fraction form
    348.46/522.62 = 175.06/x
  3. Step 3: Cross multiply
    348.46x = 522.62 × 175.06
  4. Step 4: Simplify right side
    348.46x = 91,489.86
  5. Step 5: Solve for x
    x = 91,489.86/348.46
  6. Step 6: Final answer
    x = 262.55

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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.