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Finding the Fourth Proportional to 464.85, 697.35 and 176.31

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Solution

The fourth proportional to 464.85, 697.35 and 176.31 is: 264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.85 : 697.35 = 176.31 : x
  2. Step 2: Convert to fraction form
    464.85/697.35 = 176.31/x
  3. Step 3: Cross multiply
    464.85x = 697.35 × 176.31
  4. Step 4: Simplify right side
    464.85x = 122,949.78
  5. Step 5: Solve for x
    x = 122,949.78/464.85
  6. Step 6: Final answer
    x = 264.49

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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.