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Finding the Fourth Proportional to 968.41, 1,451.94 and 351.96

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Solution

The fourth proportional to 968.41, 1,451.94 and 351.96 is: 527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.41 : 1,451.94 = 351.96 : x
  2. Step 2: Convert to fraction form
    968.41/1,451.94 = 351.96/x
  3. Step 3: Cross multiply
    968.41x = 1,451.94 × 351.96
  4. Step 4: Simplify right side
    968.41x = 511,024.80
  5. Step 5: Solve for x
    x = 511,024.80/968.41
  6. Step 6: Final answer
    x = 527.69

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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.