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Finding the Fourth Proportional to 835.67, 1,252.13 and 591.76

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Solution

The fourth proportional to 835.67, 1,252.13 and 591.76 is: 886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.67 : 1,252.13 = 591.76 : x
  2. Step 2: Convert to fraction form
    835.67/1,252.13 = 591.76/x
  3. Step 3: Cross multiply
    835.67x = 1,252.13 × 591.76
  4. Step 4: Simplify right side
    835.67x = 740,958.80
  5. Step 5: Solve for x
    x = 740,958.80/835.67
  6. Step 6: Final answer
    x = 886.66

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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.