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Finding the Fourth Proportional to 596.87, 823.71 and 331.32

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Solution

The fourth proportional to 596.87, 823.71 and 331.32 is: 457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.87 : 823.71 = 331.32 : x
  2. Step 2: Convert to fraction form
    596.87/823.71 = 331.32/x
  3. Step 3: Cross multiply
    596.87x = 823.71 × 331.32
  4. Step 4: Simplify right side
    596.87x = 272,911.60
  5. Step 5: Solve for x
    x = 272,911.60/596.87
  6. Step 6: Final answer
    x = 457.24

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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.