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Finding the Fourth Proportional to 845.73, 1,167.26 and 496.41

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Solution

The fourth proportional to 845.73, 1,167.26 and 496.41 is: 685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.73 : 1,167.26 = 496.41 : x
  2. Step 2: Convert to fraction form
    845.73/1,167.26 = 496.41/x
  3. Step 3: Cross multiply
    845.73x = 1,167.26 × 496.41
  4. Step 4: Simplify right side
    845.73x = 579,437.05
  5. Step 5: Solve for x
    x = 579,437.05/845.73
  6. Step 6: Final answer
    x = 685.13

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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.