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Finding the Fourth Proportional to 597.32, 824.32 and 331.76

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Solution

The fourth proportional to 597.32, 824.32 and 331.76 is: 457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.32 : 824.32 = 331.76 : x
  2. Step 2: Convert to fraction form
    597.32/824.32 = 331.76/x
  3. Step 3: Cross multiply
    597.32x = 824.32 × 331.76
  4. Step 4: Simplify right side
    597.32x = 273,476.40
  5. Step 5: Solve for x
    x = 273,476.40/597.32
  6. Step 6: Final answer
    x = 457.84

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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.