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Finding the Fourth Proportional to 464.04, 696.22 and 281.54

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Solution

The fourth proportional to 464.04, 696.22 and 281.54 is: 422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.04 : 696.22 = 281.54 : x
  2. Step 2: Convert to fraction form
    464.04/696.22 = 281.54/x
  3. Step 3: Cross multiply
    464.04x = 696.22 × 281.54
  4. Step 4: Simplify right side
    464.04x = 196,013.78
  5. Step 5: Solve for x
    x = 196,013.78/464.04
  6. Step 6: Final answer
    x = 422.41

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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.