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Finding the Fourth Proportional to 597.13, 823.94 and 331.56

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Solution

The fourth proportional to 597.13, 823.94 and 331.56 is: 457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.13 : 823.94 = 331.56 : x
  2. Step 2: Convert to fraction form
    597.13/823.94 = 331.56/x
  3. Step 3: Cross multiply
    597.13x = 823.94 × 331.56
  4. Step 4: Simplify right side
    597.13x = 273,187.30
  5. Step 5: Solve for x
    x = 273,187.30/597.13
  6. Step 6: Final answer
    x = 457.50

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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.