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Finding the Fourth Proportional to 734.46, 1,101.69 and 301.65

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Solution

The fourth proportional to 734.46, 1,101.69 and 301.65 is: 452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.46 : 1,101.69 = 301.65 : x
  2. Step 2: Convert to fraction form
    734.46/1,101.69 = 301.65/x
  3. Step 3: Cross multiply
    734.46x = 1,101.69 × 301.65
  4. Step 4: Simplify right side
    734.46x = 332,324.79
  5. Step 5: Solve for x
    x = 332,324.79/734.46
  6. Step 6: Final answer
    x = 452.48

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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.