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Finding the Fourth Proportional to 733.19, 1,097.96 and 368.15

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Solution

The fourth proportional to 733.19, 1,097.96 and 368.15 is: 551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.19 : 1,097.96 = 368.15 : x
  2. Step 2: Convert to fraction form
    733.19/1,097.96 = 368.15/x
  3. Step 3: Cross multiply
    733.19x = 1,097.96 × 368.15
  4. Step 4: Simplify right side
    733.19x = 404,206.64
  5. Step 5: Solve for x
    x = 404,206.64/733.19
  6. Step 6: Final answer
    x = 551.30

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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.