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Finding the Fourth Proportional to 325.26, 486.72 and 244.02

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Solution

The fourth proportional to 325.26, 486.72 and 244.02 is: 365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.26 : 486.72 = 244.02 : x
  2. Step 2: Convert to fraction form
    325.26/486.72 = 244.02/x
  3. Step 3: Cross multiply
    325.26x = 486.72 × 244.02
  4. Step 4: Simplify right side
    325.26x = 118,769.41
  5. Step 5: Solve for x
    x = 118,769.41/325.26
  6. Step 6: Final answer
    x = 365.15

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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.