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Finding the Fourth Proportional to 968.42, 1,452.60 and 237.99

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Solution

The fourth proportional to 968.42, 1,452.60 and 237.99 is: 356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.42 : 1,452.60 = 237.99 : x
  2. Step 2: Convert to fraction form
    968.42/1,452.60 = 237.99/x
  3. Step 3: Cross multiply
    968.42x = 1,452.60 × 237.99
  4. Step 4: Simplify right side
    968.42x = 345,704.27
  5. Step 5: Solve for x
    x = 345,704.27/968.42
  6. Step 6: Final answer
    x = 356.98

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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.