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Finding the Fourth Proportional to 464.67, 696.90 and 156.52

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Solution

The fourth proportional to 464.67, 696.90 and 156.52 is: 234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.67 : 696.90 = 156.52 : x
  2. Step 2: Convert to fraction form
    464.67/696.90 = 156.52/x
  3. Step 3: Cross multiply
    464.67x = 696.90 × 156.52
  4. Step 4: Simplify right side
    464.67x = 109,078.79
  5. Step 5: Solve for x
    x = 109,078.79/464.67
  6. Step 6: Final answer
    x = 234.74

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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.