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Finding the Fourth Proportional to 548.90, 757.61 and 362.42

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Solution

The fourth proportional to 548.90, 757.61 and 362.42 is: 500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.90 : 757.61 = 362.42 : x
  2. Step 2: Convert to fraction form
    548.90/757.61 = 362.42/x
  3. Step 3: Cross multiply
    548.90x = 757.61 × 362.42
  4. Step 4: Simplify right side
    548.90x = 274,567.42
  5. Step 5: Solve for x
    x = 274,567.42/548.90
  6. Step 6: Final answer
    x = 500.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.