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Finding the Fourth Proportional to 464.33, 696.62 and 156.22

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Solution

The fourth proportional to 464.33, 696.62 and 156.22 is: 234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.33 : 696.62 = 156.22 : x
  2. Step 2: Convert to fraction form
    464.33/696.62 = 156.22/x
  3. Step 3: Cross multiply
    464.33x = 696.62 × 156.22
  4. Step 4: Simplify right side
    464.33x = 108,823.45
  5. Step 5: Solve for x
    x = 108,823.45/464.33
  6. Step 6: Final answer
    x = 234.37

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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.