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Finding the Fourth Proportional to 968.67, 1,453.32 and 383.94

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Solution

The fourth proportional to 968.67, 1,453.32 and 383.94 is: 576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.67 : 1,453.32 = 383.94 : x
  2. Step 2: Convert to fraction form
    968.67/1,453.32 = 383.94/x
  3. Step 3: Cross multiply
    968.67x = 1,453.32 × 383.94
  4. Step 4: Simplify right side
    968.67x = 557,987.68
  5. Step 5: Solve for x
    x = 557,987.68/968.67
  6. Step 6: Final answer
    x = 576.03

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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.