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Finding the Fourth Proportional to 367.82, 548.14 and 356.69

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Solution

The fourth proportional to 367.82, 548.14 and 356.69 is: 531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.82 : 548.14 = 356.69 : x
  2. Step 2: Convert to fraction form
    367.82/548.14 = 356.69/x
  3. Step 3: Cross multiply
    367.82x = 548.14 × 356.69
  4. Step 4: Simplify right side
    367.82x = 195,518.32
  5. Step 5: Solve for x
    x = 195,518.32/367.82
  6. Step 6: Final answer
    x = 531.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.