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Finding the Fourth Proportional to 717.73, 1,076.54 and 224.13

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Solution

The fourth proportional to 717.73, 1,076.54 and 224.13 is: 336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.73 : 1,076.54 = 224.13 : x
  2. Step 2: Convert to fraction form
    717.73/1,076.54 = 224.13/x
  3. Step 3: Cross multiply
    717.73x = 1,076.54 × 224.13
  4. Step 4: Simplify right side
    717.73x = 241,278.41
  5. Step 5: Solve for x
    x = 241,278.41/717.73
  6. Step 6: Final answer
    x = 336.17

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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.