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Finding the Fourth Proportional to 325.95, 488.46 and 244.70

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Solution

The fourth proportional to 325.95, 488.46 and 244.70 is: 366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.95 : 488.46 = 244.70 : x
  2. Step 2: Convert to fraction form
    325.95/488.46 = 244.70/x
  3. Step 3: Cross multiply
    325.95x = 488.46 × 244.70
  4. Step 4: Simplify right side
    325.95x = 119,523.72
  5. Step 5: Solve for x
    x = 119,523.72/325.95
  6. Step 6: Final answer
    x = 366.69

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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.