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Finding the Fourth Proportional to 464.22, 696.32 and 451.26

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Solution

The fourth proportional to 464.22, 696.32 and 451.26 is: 676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.22 : 696.32 = 451.26 : x
  2. Step 2: Convert to fraction form
    464.22/696.32 = 451.26/x
  3. Step 3: Cross multiply
    464.22x = 696.32 × 451.26
  4. Step 4: Simplify right side
    464.22x = 314,219.11
  5. Step 5: Solve for x
    x = 314,219.11/464.22
  6. Step 6: Final answer
    x = 676.88

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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.