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Finding the Fourth Proportional to 325.94, 488.88 and 195.53

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Solution

The fourth proportional to 325.94, 488.88 and 195.53 is: 293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.94 : 488.88 = 195.53 : x
  2. Step 2: Convert to fraction form
    325.94/488.88 = 195.53/x
  3. Step 3: Cross multiply
    325.94x = 488.88 × 195.53
  4. Step 4: Simplify right side
    325.94x = 95,588.26
  5. Step 5: Solve for x
    x = 95,588.26/325.94
  6. Step 6: Final answer
    x = 293.27

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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.