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Finding the Fourth Proportional to 364.15, 502.50 and 251.97

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Solution

The fourth proportional to 364.15, 502.50 and 251.97 is: 347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.15 : 502.50 = 251.97 : x
  2. Step 2: Convert to fraction form
    364.15/502.50 = 251.97/x
  3. Step 3: Cross multiply
    364.15x = 502.50 × 251.97
  4. Step 4: Simplify right side
    364.15x = 126,614.93
  5. Step 5: Solve for x
    x = 126,614.93/364.15
  6. Step 6: Final answer
    x = 347.70

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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.