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Finding the Fourth Proportional to 326.01, 488.52 and 195.87

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Solution

The fourth proportional to 326.01, 488.52 and 195.87 is: 293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.01 : 488.52 = 195.87 : x
  2. Step 2: Convert to fraction form
    326.01/488.52 = 195.87/x
  3. Step 3: Cross multiply
    326.01x = 488.52 × 195.87
  4. Step 4: Simplify right side
    326.01x = 95,684.40
  5. Step 5: Solve for x
    x = 95,684.40/326.01
  6. Step 6: Final answer
    x = 293.50

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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.