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Finding the Fourth Proportional to 348.41, 522.57 and 117.24

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Solution

The fourth proportional to 348.41, 522.57 and 117.24 is: 175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.41 : 522.57 = 117.24 : x
  2. Step 2: Convert to fraction form
    348.41/522.57 = 117.24/x
  3. Step 3: Cross multiply
    348.41x = 522.57 × 117.24
  4. Step 4: Simplify right side
    348.41x = 61,266.11
  5. Step 5: Solve for x
    x = 61,266.11/348.41
  6. Step 6: Final answer
    x = 175.85

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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.