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Finding the Fourth Proportional to 731.99, 1,097.29 and 244.69

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Solution

The fourth proportional to 731.99, 1,097.29 and 244.69 is: 366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.99 : 1,097.29 = 244.69 : x
  2. Step 2: Convert to fraction form
    731.99/1,097.29 = 244.69/x
  3. Step 3: Cross multiply
    731.99x = 1,097.29 × 244.69
  4. Step 4: Simplify right side
    731.99x = 268,492.76
  5. Step 5: Solve for x
    x = 268,492.76/731.99
  6. Step 6: Final answer
    x = 366.80

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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.