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Finding the Fourth Proportional to 734.50, 1,101.84 and 301.42

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Solution

The fourth proportional to 734.50, 1,101.84 and 301.42 is: 452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.50 : 1,101.84 = 301.42 : x
  2. Step 2: Convert to fraction form
    734.50/1,101.84 = 301.42/x
  3. Step 3: Cross multiply
    734.50x = 1,101.84 × 301.42
  4. Step 4: Simplify right side
    734.50x = 332,116.61
  5. Step 5: Solve for x
    x = 332,116.61/734.50
  6. Step 6: Final answer
    x = 452.17

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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.