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Finding the Fourth Proportional to 352.36, 486.26 and 195.00

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Solution

The fourth proportional to 352.36, 486.26 and 195.00 is: 269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.36 : 486.26 = 195.00 : x
  2. Step 2: Convert to fraction form
    352.36/486.26 = 195.00/x
  3. Step 3: Cross multiply
    352.36x = 486.26 × 195.00
  4. Step 4: Simplify right side
    352.36x = 94,818.63
  5. Step 5: Solve for x
    x = 94,818.63/352.36
  6. Step 6: Final answer
    x = 269.09

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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.