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Finding the Fourth Proportional to 364.44, 502.74 and 254.02

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Solution

The fourth proportional to 364.44, 502.74 and 254.02 is: 350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.44 : 502.74 = 254.02 : x
  2. Step 2: Convert to fraction form
    364.44/502.74 = 254.02/x
  3. Step 3: Cross multiply
    364.44x = 502.74 × 254.02
  4. Step 4: Simplify right side
    364.44x = 127,706.01
  5. Step 5: Solve for x
    x = 127,706.01/364.44
  6. Step 6: Final answer
    x = 350.42

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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.