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Finding the Fourth Proportional to 731.63, 1,097.56 and 244.79

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Solution

The fourth proportional to 731.63, 1,097.56 and 244.79 is: 367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.63 : 1,097.56 = 244.79 : x
  2. Step 2: Convert to fraction form
    731.63/1,097.56 = 244.79/x
  3. Step 3: Cross multiply
    731.63x = 1,097.56 × 244.79
  4. Step 4: Simplify right side
    731.63x = 268,673.84
  5. Step 5: Solve for x
    x = 268,673.84/731.63
  6. Step 6: Final answer
    x = 367.23

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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.