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Finding the Fourth Proportional to 835.75, 1,251.76 and 591.53

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Solution

The fourth proportional to 835.75, 1,251.76 and 591.53 is: 885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.75 : 1,251.76 = 591.53 : x
  2. Step 2: Convert to fraction form
    835.75/1,251.76 = 591.53/x
  3. Step 3: Cross multiply
    835.75x = 1,251.76 × 591.53
  4. Step 4: Simplify right side
    835.75x = 740,453.59
  5. Step 5: Solve for x
    x = 740,453.59/835.75
  6. Step 6: Final answer
    x = 885.97

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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.