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Finding the Fourth Proportional to 700.44, 1,049.24 and 353.29

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Solution

The fourth proportional to 700.44, 1,049.24 and 353.29 is: 529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.44 : 1,049.24 = 353.29 : x
  2. Step 2: Convert to fraction form
    700.44/1,049.24 = 353.29/x
  3. Step 3: Cross multiply
    700.44x = 1,049.24 × 353.29
  4. Step 4: Simplify right side
    700.44x = 370,686.88
  5. Step 5: Solve for x
    x = 370,686.88/700.44
  6. Step 6: Final answer
    x = 529.22

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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.