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Finding the Fourth Proportional to 325.16, 448.88 and 200.92

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Solution

The fourth proportional to 325.16, 448.88 and 200.92 is: 277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.16 : 448.88 = 200.92 : x
  2. Step 2: Convert to fraction form
    325.16/448.88 = 200.92/x
  3. Step 3: Cross multiply
    325.16x = 448.88 × 200.92
  4. Step 4: Simplify right side
    325.16x = 90,188.97
  5. Step 5: Solve for x
    x = 90,188.97/325.16
  6. Step 6: Final answer
    x = 277.37

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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.