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Finding the Fourth Proportional to 464.61, 696.87 and 233.31

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Solution

The fourth proportional to 464.61, 696.87 and 233.31 is: 349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.61 : 696.87 = 233.31 : x
  2. Step 2: Convert to fraction form
    464.61/696.87 = 233.31/x
  3. Step 3: Cross multiply
    464.61x = 696.87 × 233.31
  4. Step 4: Simplify right side
    464.61x = 162,586.74
  5. Step 5: Solve for x
    x = 162,586.74/464.61
  6. Step 6: Final answer
    x = 349.94

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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.