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Finding the Fourth Proportional to 700.22, 1,049.38 and 267.14

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Solution

The fourth proportional to 700.22, 1,049.38 and 267.14 is: 400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.22 : 1,049.38 = 267.14 : x
  2. Step 2: Convert to fraction form
    700.22/1,049.38 = 267.14/x
  3. Step 3: Cross multiply
    700.22x = 1,049.38 × 267.14
  4. Step 4: Simplify right side
    700.22x = 280,331.37
  5. Step 5: Solve for x
    x = 280,331.37/700.22
  6. Step 6: Final answer
    x = 400.35

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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.