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Finding the Fourth Proportional to 445.26, 614.52 and 270.60

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Solution

The fourth proportional to 445.26, 614.52 and 270.60 is: 373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.26 : 614.52 = 270.60 : x
  2. Step 2: Convert to fraction form
    445.26/614.52 = 270.60/x
  3. Step 3: Cross multiply
    445.26x = 614.52 × 270.60
  4. Step 4: Simplify right side
    445.26x = 166,289.11
  5. Step 5: Solve for x
    x = 166,289.11/445.26
  6. Step 6: Final answer
    x = 373.47

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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.