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Finding the Fourth Proportional to 968.43, 1,452.64 and 238.01

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Solution

The fourth proportional to 968.43, 1,452.64 and 238.01 is: 357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.43 : 1,452.64 = 238.01 : x
  2. Step 2: Convert to fraction form
    968.43/1,452.64 = 238.01/x
  3. Step 3: Cross multiply
    968.43x = 1,452.64 × 238.01
  4. Step 4: Simplify right side
    968.43x = 345,742.85
  5. Step 5: Solve for x
    x = 345,742.85/968.43
  6. Step 6: Final answer
    x = 357.01

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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.