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Finding the Fourth Proportional to 706.07, 1,059.03 and 267.23

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Solution

The fourth proportional to 706.07, 1,059.03 and 267.23 is: 400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.07 : 1,059.03 = 267.23 : x
  2. Step 2: Convert to fraction form
    706.07/1,059.03 = 267.23/x
  3. Step 3: Cross multiply
    706.07x = 1,059.03 × 267.23
  4. Step 4: Simplify right side
    706.07x = 283,007.23
  5. Step 5: Solve for x
    x = 283,007.23/706.07
  6. Step 6: Final answer
    x = 400.82

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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.