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Finding the Fourth Proportional to 464.44, 696.43 and 156.19

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Solution

The fourth proportional to 464.44, 696.43 and 156.19 is: 234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.44 : 696.43 = 156.19 : x
  2. Step 2: Convert to fraction form
    464.44/696.43 = 156.19/x
  3. Step 3: Cross multiply
    464.44x = 696.43 × 156.19
  4. Step 4: Simplify right side
    464.44x = 108,775.40
  5. Step 5: Solve for x
    x = 108,775.40/464.44
  6. Step 6: Final answer
    x = 234.21

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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.