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Finding the Fourth Proportional to 967.43, 1,334.86 and 574.58

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Solution

The fourth proportional to 967.43, 1,334.86 and 574.58 is: 792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.43 : 1,334.86 = 574.58 : x
  2. Step 2: Convert to fraction form
    967.43/1,334.86 = 574.58/x
  3. Step 3: Cross multiply
    967.43x = 1,334.86 × 574.58
  4. Step 4: Simplify right side
    967.43x = 766,975.75
  5. Step 5: Solve for x
    x = 766,975.75/967.43
  6. Step 6: Final answer
    x = 792.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.