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Finding the Fourth Proportional to 942.66, 1,414.82 and 504.27

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Solution

The fourth proportional to 942.66, 1,414.82 and 504.27 is: 756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.66 : 1,414.82 = 504.27 : x
  2. Step 2: Convert to fraction form
    942.66/1,414.82 = 504.27/x
  3. Step 3: Cross multiply
    942.66x = 1,414.82 × 504.27
  4. Step 4: Simplify right side
    942.66x = 713,452.54
  5. Step 5: Solve for x
    x = 713,452.54/942.66
  6. Step 6: Final answer
    x = 756.85

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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.