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Finding the Fourth Proportional to 696.98, 1,044.33 and 349.97

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Solution

The fourth proportional to 696.98, 1,044.33 and 349.97 is: 524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.98 : 1,044.33 = 349.97 : x
  2. Step 2: Convert to fraction form
    696.98/1,044.33 = 349.97/x
  3. Step 3: Cross multiply
    696.98x = 1,044.33 × 349.97
  4. Step 4: Simplify right side
    696.98x = 365,477.64
  5. Step 5: Solve for x
    x = 365,477.64/696.98
  6. Step 6: Final answer
    x = 524.37

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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.