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Finding the Fourth Proportional to 834, 1,250.87 and 589.79

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Solution

The fourth proportional to 834, 1,250.87 and 589.79 is: 884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    834 : 1,250.87 = 589.79 : x
  2. Step 2: Convert to fraction form
    834/1,250.87 = 589.79/x
  3. Step 3: Cross multiply
    834x = 1,250.87 × 589.79
  4. Step 4: Simplify right side
    834x = 737,741.41
  5. Step 5: Solve for x
    x = 737,741.41/834
  6. Step 6: Final answer
    x = 884.58

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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.