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Finding the Fourth Proportional to 597.26, 823.11 and 518.33

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Solution

The fourth proportional to 597.26, 823.11 and 518.33 is: 714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.26 : 823.11 = 518.33 : x
  2. Step 2: Convert to fraction form
    597.26/823.11 = 518.33/x
  3. Step 3: Cross multiply
    597.26x = 823.11 × 518.33
  4. Step 4: Simplify right side
    597.26x = 426,642.61
  5. Step 5: Solve for x
    x = 426,642.61/597.26
  6. Step 6: Final answer
    x = 714.33

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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.