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Finding the Fourth Proportional to 733.34, 1,099.76 and 294.38

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Solution

The fourth proportional to 733.34, 1,099.76 and 294.38 is: 441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.34 : 1,099.76 = 294.38 : x
  2. Step 2: Convert to fraction form
    733.34/1,099.76 = 294.38/x
  3. Step 3: Cross multiply
    733.34x = 1,099.76 × 294.38
  4. Step 4: Simplify right side
    733.34x = 323,740.38
  5. Step 5: Solve for x
    x = 323,740.38/733.34
  6. Step 6: Final answer
    x = 441.46

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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.