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Finding the Fourth Proportional to 348.24, 522.01 and 117.06

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Solution

The fourth proportional to 348.24, 522.01 and 117.06 is: 175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.24 : 522.01 = 117.06 : x
  2. Step 2: Convert to fraction form
    348.24/522.01 = 117.06/x
  3. Step 3: Cross multiply
    348.24x = 522.01 × 117.06
  4. Step 4: Simplify right side
    348.24x = 61,104.09
  5. Step 5: Solve for x
    x = 61,104.09/348.24
  6. Step 6: Final answer
    x = 175.46

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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.