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Finding the Fourth Proportional to 596.36, 823 and 330.79

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Solution

The fourth proportional to 596.36, 823 and 330.79 is: 456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.36 : 823 = 330.79 : x
  2. Step 2: Convert to fraction form
    596.36/823 = 330.79/x
  3. Step 3: Cross multiply
    596.36x = 823 × 330.79
  4. Step 4: Simplify right side
    596.36x = 272,240.17
  5. Step 5: Solve for x
    x = 272,240.17/596.36
  6. Step 6: Final answer
    x = 456.51

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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.