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Finding the Fourth Proportional to 264.25, 395.70 and 195.67

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Solution

The fourth proportional to 264.25, 395.70 and 195.67 is: 293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.25 : 395.70 = 195.67 : x
  2. Step 2: Convert to fraction form
    264.25/395.70 = 195.67/x
  3. Step 3: Cross multiply
    264.25x = 395.70 × 195.67
  4. Step 4: Simplify right side
    264.25x = 77,426.62
  5. Step 5: Solve for x
    x = 77,426.62/264.25
  6. Step 6: Final answer
    x = 293.01

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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.