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Finding the Fourth Proportional to 352.26, 483.08 and 348.21

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Solution

The fourth proportional to 352.26, 483.08 and 348.21 is: 477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.26 : 483.08 = 348.21 : x
  2. Step 2: Convert to fraction form
    352.26/483.08 = 348.21/x
  3. Step 3: Cross multiply
    352.26x = 483.08 × 348.21
  4. Step 4: Simplify right side
    352.26x = 168,209.13
  5. Step 5: Solve for x
    x = 168,209.13/352.26
  6. Step 6: Final answer
    x = 477.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.