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Finding the Fourth Proportional to 464.34, 694.89 and 355.26

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Solution

The fourth proportional to 464.34, 694.89 and 355.26 is: 531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.34 : 694.89 = 355.26 : x
  2. Step 2: Convert to fraction form
    464.34/694.89 = 355.26/x
  3. Step 3: Cross multiply
    464.34x = 694.89 × 355.26
  4. Step 4: Simplify right side
    464.34x = 246,866.62
  5. Step 5: Solve for x
    x = 246,866.62/464.34
  6. Step 6: Final answer
    x = 531.65

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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.