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Finding the Fourth Proportional to 204.43, 284 and 202.53

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Solution

The fourth proportional to 204.43, 284 and 202.53 is: 281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.43 : 284 = 202.53 : x
  2. Step 2: Convert to fraction form
    204.43/284 = 202.53/x
  3. Step 3: Cross multiply
    204.43x = 284 × 202.53
  4. Step 4: Simplify right side
    204.43x = 57,518.52
  5. Step 5: Solve for x
    x = 57,518.52/204.43
  6. Step 6: Final answer
    x = 281.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.