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Finding the Fourth Proportional to 364.16, 502.33 and 253.44

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Solution

The fourth proportional to 364.16, 502.33 and 253.44 is: 349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.16 : 502.33 = 253.44 : x
  2. Step 2: Convert to fraction form
    364.16/502.33 = 253.44/x
  3. Step 3: Cross multiply
    364.16x = 502.33 × 253.44
  4. Step 4: Simplify right side
    364.16x = 127,310.35
  5. Step 5: Solve for x
    x = 127,310.35/364.16
  6. Step 6: Final answer
    x = 349.60

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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.