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Finding the Fourth Proportional to 415.67, 573.23 and 336.96

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Solution

The fourth proportional to 415.67, 573.23 and 336.96 is: 464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.67 : 573.23 = 336.96 : x
  2. Step 2: Convert to fraction form
    415.67/573.23 = 336.96/x
  3. Step 3: Cross multiply
    415.67x = 573.23 × 336.96
  4. Step 4: Simplify right side
    415.67x = 193,156.42
  5. Step 5: Solve for x
    x = 193,156.42/415.67
  6. Step 6: Final answer
    x = 464.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.