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Finding the Fourth Proportional to 548.98, 823.11 and 467.98

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Solution

The fourth proportional to 548.98, 823.11 and 467.98 is: 701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.98 : 823.11 = 467.98 : x
  2. Step 2: Convert to fraction form
    548.98/823.11 = 467.98/x
  3. Step 3: Cross multiply
    548.98x = 823.11 × 467.98
  4. Step 4: Simplify right side
    548.98x = 385,199.02
  5. Step 5: Solve for x
    x = 385,199.02/548.98
  6. Step 6: Final answer
    x = 701.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.