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Finding the Fourth Proportional to 596.38, 823 and 334.40

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Solution

The fourth proportional to 596.38, 823 and 334.40 is: 461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.38 : 823 = 334.40 : x
  2. Step 2: Convert to fraction form
    596.38/823 = 334.40/x
  3. Step 3: Cross multiply
    596.38x = 823 × 334.40
  4. Step 4: Simplify right side
    596.38x = 275,211.20
  5. Step 5: Solve for x
    x = 275,211.20/596.38
  6. Step 6: Final answer
    x = 461.47

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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.