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Finding the Fourth Proportional to 596.67, 823.33 and 331.05

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Solution

The fourth proportional to 596.67, 823.33 and 331.05 is: 456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.67 : 823.33 = 331.05 : x
  2. Step 2: Convert to fraction form
    596.67/823.33 = 331.05/x
  3. Step 3: Cross multiply
    596.67x = 823.33 × 331.05
  4. Step 4: Simplify right side
    596.67x = 272,566.90
  5. Step 5: Solve for x
    x = 272,566.90/596.67
  6. Step 6: Final answer
    x = 456.82

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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.