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Finding the Fourth Proportional to 352.26, 486 and 234

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Solution

The fourth proportional to 352.26, 486 and 234 is: 322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.26 : 486 = 234 : x
  2. Step 2: Convert to fraction form
    352.26/486 = 234/x
  3. Step 3: Cross multiply
    352.26x = 486 × 234
  4. Step 4: Simplify right side
    352.26x = 113,724
  5. Step 5: Solve for x
    x = 113,724/352.26
  6. Step 6: Final answer
    x = 322.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.