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Finding the Fourth Proportional to 596.48, 824.16 and 518.72

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Solution

The fourth proportional to 596.48, 824.16 and 518.72 is: 716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.48 : 824.16 = 518.72 : x
  2. Step 2: Convert to fraction form
    596.48/824.16 = 518.72/x
  3. Step 3: Cross multiply
    596.48x = 824.16 × 518.72
  4. Step 4: Simplify right side
    596.48x = 427,508.28
  5. Step 5: Solve for x
    x = 427,508.28/596.48
  6. Step 6: Final answer
    x = 716.72

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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.