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Finding the Fourth Proportional to 364.02, 502.35 and 216.73

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Solution

The fourth proportional to 364.02, 502.35 and 216.73 is: 299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.02 : 502.35 = 216.73 : x
  2. Step 2: Convert to fraction form
    364.02/502.35 = 216.73/x
  3. Step 3: Cross multiply
    364.02x = 502.35 × 216.73
  4. Step 4: Simplify right side
    364.02x = 108,874.32
  5. Step 5: Solve for x
    x = 108,874.32/364.02
  6. Step 6: Final answer
    x = 299.09

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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.