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Finding the Fourth Proportional to 599.20, 825.80 and 467.98

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Solution

The fourth proportional to 599.20, 825.80 and 467.98 is: 644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.20 : 825.80 = 467.98 : x
  2. Step 2: Convert to fraction form
    599.20/825.80 = 467.98/x
  3. Step 3: Cross multiply
    599.20x = 825.80 × 467.98
  4. Step 4: Simplify right side
    599.20x = 386,453.48
  5. Step 5: Solve for x
    x = 386,453.48/599.20
  6. Step 6: Final answer
    x = 644.95

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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.