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Finding the Fourth Proportional to 464.46, 696.45 and 204.17

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Solution

The fourth proportional to 464.46, 696.45 and 204.17 is: 306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.46 : 696.45 = 204.17 : x
  2. Step 2: Convert to fraction form
    464.46/696.45 = 204.17/x
  3. Step 3: Cross multiply
    464.46x = 696.45 × 204.17
  4. Step 4: Simplify right side
    464.46x = 142,190.91
  5. Step 5: Solve for x
    x = 142,190.91/464.46
  6. Step 6: Final answer
    x = 306.14

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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.