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Finding the Fourth Proportional to 343.94, 474.61 and 204.02

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Solution

The fourth proportional to 343.94, 474.61 and 204.02 is: 281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.94 : 474.61 = 204.02 : x
  2. Step 2: Convert to fraction form
    343.94/474.61 = 204.02/x
  3. Step 3: Cross multiply
    343.94x = 474.61 × 204.02
  4. Step 4: Simplify right side
    343.94x = 96,828.91
  5. Step 5: Solve for x
    x = 96,828.91/343.94
  6. Step 6: Final answer
    x = 281.53

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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.