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Finding the Fourth Proportional to 694.26, 1,041.99 and 360.94

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Solution

The fourth proportional to 694.26, 1,041.99 and 360.94 is: 541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.26 : 1,041.99 = 360.94 : x
  2. Step 2: Convert to fraction form
    694.26/1,041.99 = 360.94/x
  3. Step 3: Cross multiply
    694.26x = 1,041.99 × 360.94
  4. Step 4: Simplify right side
    694.26x = 376,093.27
  5. Step 5: Solve for x
    x = 376,093.27/694.26
  6. Step 6: Final answer
    x = 541.72

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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.