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Finding the Fourth Proportional to 464.86, 697.41 and 382.73

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Solution

The fourth proportional to 464.86, 697.41 and 382.73 is: 574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.86 : 697.41 = 382.73 : x
  2. Step 2: Convert to fraction form
    464.86/697.41 = 382.73/x
  3. Step 3: Cross multiply
    464.86x = 697.41 × 382.73
  4. Step 4: Simplify right side
    464.86x = 266,919.73
  5. Step 5: Solve for x
    x = 266,919.73/464.86
  6. Step 6: Final answer
    x = 574.19

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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.