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Finding the Fourth Proportional to 845.44, 1,266.03 and 584.82

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Solution

The fourth proportional to 845.44, 1,266.03 and 584.82 is: 875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.44 : 1,266.03 = 584.82 : x
  2. Step 2: Convert to fraction form
    845.44/1,266.03 = 584.82/x
  3. Step 3: Cross multiply
    845.44x = 1,266.03 × 584.82
  4. Step 4: Simplify right side
    845.44x = 740,399.66
  5. Step 5: Solve for x
    x = 740,399.66/845.44
  6. Step 6: Final answer
    x = 875.76

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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.