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Finding the Fourth Proportional to 351.99, 527.94 and 195.66

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Solution

The fourth proportional to 351.99, 527.94 and 195.66 is: 293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.99 : 527.94 = 195.66 : x
  2. Step 2: Convert to fraction form
    351.99/527.94 = 195.66/x
  3. Step 3: Cross multiply
    351.99x = 527.94 × 195.66
  4. Step 4: Simplify right side
    351.99x = 103,296.74
  5. Step 5: Solve for x
    x = 103,296.74/351.99
  6. Step 6: Final answer
    x = 293.46

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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.