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Finding the Fourth Proportional to 616.24, 850.44 and 364.31

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Solution

The fourth proportional to 616.24, 850.44 and 364.31 is: 502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.24 : 850.44 = 364.31 : x
  2. Step 2: Convert to fraction form
    616.24/850.44 = 364.31/x
  3. Step 3: Cross multiply
    616.24x = 850.44 × 364.31
  4. Step 4: Simplify right side
    616.24x = 309,823.80
  5. Step 5: Solve for x
    x = 309,823.80/616.24
  6. Step 6: Final answer
    x = 502.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.