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Finding the Fourth Proportional to 968.44, 1,452.51 and 528.61

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Solution

The fourth proportional to 968.44, 1,452.51 and 528.61 is: 792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.44 : 1,452.51 = 528.61 : x
  2. Step 2: Convert to fraction form
    968.44/1,452.51 = 528.61/x
  3. Step 3: Cross multiply
    968.44x = 1,452.51 × 528.61
  4. Step 4: Simplify right side
    968.44x = 767,811.31
  5. Step 5: Solve for x
    x = 767,811.31/968.44
  6. Step 6: Final answer
    x = 792.83

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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.