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Finding the Fourth Proportional to 325.26, 448.16 and 242.33

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Solution

The fourth proportional to 325.26, 448.16 and 242.33 is: 333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.26 : 448.16 = 242.33 : x
  2. Step 2: Convert to fraction form
    325.26/448.16 = 242.33/x
  3. Step 3: Cross multiply
    325.26x = 448.16 × 242.33
  4. Step 4: Simplify right side
    325.26x = 108,599.16
  5. Step 5: Solve for x
    x = 108,599.16/325.26
  6. Step 6: Final answer
    x = 333.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.