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Finding the Fourth Proportional to 270.91, 373.54 and 197.26

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Solution

The fourth proportional to 270.91, 373.54 and 197.26 is: 271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.91 : 373.54 = 197.26 : x
  2. Step 2: Convert to fraction form
    270.91/373.54 = 197.26/x
  3. Step 3: Cross multiply
    270.91x = 373.54 × 197.26
  4. Step 4: Simplify right side
    270.91x = 73,684.50
  5. Step 5: Solve for x
    x = 73,684.50/270.91
  6. Step 6: Final answer
    x = 271.99

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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.