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Finding the Fourth Proportional to 597.12, 824.06 and 331.57

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Solution

The fourth proportional to 597.12, 824.06 and 331.57 is: 457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.12 : 824.06 = 331.57 : x
  2. Step 2: Convert to fraction form
    597.12/824.06 = 331.57/x
  3. Step 3: Cross multiply
    597.12x = 824.06 × 331.57
  4. Step 4: Simplify right side
    597.12x = 273,233.57
  5. Step 5: Solve for x
    x = 273,233.57/597.12
  6. Step 6: Final answer
    x = 457.59

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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.