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Finding the Fourth Proportional to 694.44, 1,042.24 and 370.04

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Solution

The fourth proportional to 694.44, 1,042.24 and 370.04 is: 555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.44 : 1,042.24 = 370.04 : x
  2. Step 2: Convert to fraction form
    694.44/1,042.24 = 370.04/x
  3. Step 3: Cross multiply
    694.44x = 1,042.24 × 370.04
  4. Step 4: Simplify right side
    694.44x = 385,670.49
  5. Step 5: Solve for x
    x = 385,670.49/694.44
  6. Step 6: Final answer
    x = 555.37

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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.