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Finding the Fourth Proportional to 348.57, 522.02 and 175.02

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Solution

The fourth proportional to 348.57, 522.02 and 175.02 is: 262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.57 : 522.02 = 175.02 : x
  2. Step 2: Convert to fraction form
    348.57/522.02 = 175.02/x
  3. Step 3: Cross multiply
    348.57x = 522.02 × 175.02
  4. Step 4: Simplify right side
    348.57x = 91,361.33
  5. Step 5: Solve for x
    x = 91,361.33/348.57
  6. Step 6: Final answer
    x = 262.10

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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.