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Finding the Fourth Proportional to 364.12, 502.24 and 251.89

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Solution

The fourth proportional to 364.12, 502.24 and 251.89 is: 347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.12 : 502.24 = 251.89 : x
  2. Step 2: Convert to fraction form
    364.12/502.24 = 251.89/x
  3. Step 3: Cross multiply
    364.12x = 502.24 × 251.89
  4. Step 4: Simplify right side
    364.12x = 126,506.72
  5. Step 5: Solve for x
    x = 126,506.72/364.12
  6. Step 6: Final answer
    x = 347.44

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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.