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Finding the Fourth Proportional to 464.74, 697.01 and 190.96

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Solution

The fourth proportional to 464.74, 697.01 and 190.96 is: 286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.74 : 697.01 = 190.96 : x
  2. Step 2: Convert to fraction form
    464.74/697.01 = 190.96/x
  3. Step 3: Cross multiply
    464.74x = 697.01 × 190.96
  4. Step 4: Simplify right side
    464.74x = 133,098.33
  5. Step 5: Solve for x
    x = 133,098.33/464.74
  6. Step 6: Final answer
    x = 286.39

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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.