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Finding the Fourth Proportional to 424.44, 633.60 and 369.75

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Solution

The fourth proportional to 424.44, 633.60 and 369.75 is: 551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.44 : 633.60 = 369.75 : x
  2. Step 2: Convert to fraction form
    424.44/633.60 = 369.75/x
  3. Step 3: Cross multiply
    424.44x = 633.60 × 369.75
  4. Step 4: Simplify right side
    424.44x = 234,273.60
  5. Step 5: Solve for x
    x = 234,273.60/424.44
  6. Step 6: Final answer
    x = 551.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.