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Finding the Fourth Proportional to 706.38, 1,059.33 and 295.44

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Solution

The fourth proportional to 706.38, 1,059.33 and 295.44 is: 443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.38 : 1,059.33 = 295.44 : x
  2. Step 2: Convert to fraction form
    706.38/1,059.33 = 295.44/x
  3. Step 3: Cross multiply
    706.38x = 1,059.33 × 295.44
  4. Step 4: Simplify right side
    706.38x = 312,969.56
  5. Step 5: Solve for x
    x = 312,969.56/706.38
  6. Step 6: Final answer
    x = 443.06

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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.