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Finding the Fourth Proportional to 731.36, 1,097.26 and 244.74

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Solution

The fourth proportional to 731.36, 1,097.26 and 244.74 is: 367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.36 : 1,097.26 = 244.74 : x
  2. Step 2: Convert to fraction form
    731.36/1,097.26 = 244.74/x
  3. Step 3: Cross multiply
    731.36x = 1,097.26 × 244.74
  4. Step 4: Simplify right side
    731.36x = 268,543.41
  5. Step 5: Solve for x
    x = 268,543.41/731.36
  6. Step 6: Final answer
    x = 367.18

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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.