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Finding the Fourth Proportional to 464.89, 697.68 and 374.68

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Solution

The fourth proportional to 464.89, 697.68 and 374.68 is: 562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.89 : 697.68 = 374.68 : x
  2. Step 2: Convert to fraction form
    464.89/697.68 = 374.68/x
  3. Step 3: Cross multiply
    464.89x = 697.68 × 374.68
  4. Step 4: Simplify right side
    464.89x = 261,404.87
  5. Step 5: Solve for x
    x = 261,404.87/464.89
  6. Step 6: Final answer
    x = 562.29

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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.