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Finding the Fourth Proportional to 908.44, 1,362.66 and 224.44

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Solution

The fourth proportional to 908.44, 1,362.66 and 224.44 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.44 : 1,362.66 = 224.44 : x
  2. Step 2: Convert to fraction form
    908.44/1,362.66 = 224.44/x
  3. Step 3: Cross multiply
    908.44x = 1,362.66 × 224.44
  4. Step 4: Simplify right side
    908.44x = 305,831.16
  5. Step 5: Solve for x
    x = 305,831.16/908.44
  6. Step 6: Final answer
    x = 336.66

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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.