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Finding the Fourth Proportional to 596.66, 823.37 and 331.11

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Solution

The fourth proportional to 596.66, 823.37 and 331.11 is: 456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.66 : 823.37 = 331.11 : x
  2. Step 2: Convert to fraction form
    596.66/823.37 = 331.11/x
  3. Step 3: Cross multiply
    596.66x = 823.37 × 331.11
  4. Step 4: Simplify right side
    596.66x = 272,624.39
  5. Step 5: Solve for x
    x = 272,624.39/596.66
  6. Step 6: Final answer
    x = 456.92

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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.