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Finding the Fourth Proportional to 202.84, 304.74 and 194.44

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Solution

The fourth proportional to 202.84, 304.74 and 194.44 is: 292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.84 : 304.74 = 194.44 : x
  2. Step 2: Convert to fraction form
    202.84/304.74 = 194.44/x
  3. Step 3: Cross multiply
    202.84x = 304.74 × 194.44
  4. Step 4: Simplify right side
    202.84x = 59,253.65
  5. Step 5: Solve for x
    x = 59,253.65/202.84
  6. Step 6: Final answer
    x = 292.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.