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Finding the Fourth Proportional to 616.24, 923.52 and 327.52

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Solution

The fourth proportional to 616.24, 923.52 and 327.52 is: 490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.24 : 923.52 = 327.52 : x
  2. Step 2: Convert to fraction form
    616.24/923.52 = 327.52/x
  3. Step 3: Cross multiply
    616.24x = 923.52 × 327.52
  4. Step 4: Simplify right side
    616.24x = 302,471.27
  5. Step 5: Solve for x
    x = 302,471.27/616.24
  6. Step 6: Final answer
    x = 490.83

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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.