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Finding the Fourth Proportional to 597.12, 823.92 and 331.52

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Solution

The fourth proportional to 597.12, 823.92 and 331.52 is: 457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.12 : 823.92 = 331.52 : x
  2. Step 2: Convert to fraction form
    597.12/823.92 = 331.52/x
  3. Step 3: Cross multiply
    597.12x = 823.92 × 331.52
  4. Step 4: Simplify right side
    597.12x = 273,141.22
  5. Step 5: Solve for x
    x = 273,141.22/597.12
  6. Step 6: Final answer
    x = 457.43

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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.