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Finding the Fourth Proportional to 732, 1,097.96 and 299.15

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Solution

The fourth proportional to 732, 1,097.96 and 299.15 is: 448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    732 : 1,097.96 = 299.15 : x
  2. Step 2: Convert to fraction form
    732/1,097.96 = 299.15/x
  3. Step 3: Cross multiply
    732x = 1,097.96 × 299.15
  4. Step 4: Simplify right side
    732x = 328,454.73
  5. Step 5: Solve for x
    x = 328,454.73/732
  6. Step 6: Final answer
    x = 448.71

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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.