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Finding the Fourth Proportional to 583.13, 874.24 and 323.22

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Solution

The fourth proportional to 583.13, 874.24 and 323.22 is: 484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.13 : 874.24 = 323.22 : x
  2. Step 2: Convert to fraction form
    583.13/874.24 = 323.22/x
  3. Step 3: Cross multiply
    583.13x = 874.24 × 323.22
  4. Step 4: Simplify right side
    583.13x = 282,576.14
  5. Step 5: Solve for x
    x = 282,576.14/583.13
  6. Step 6: Final answer
    x = 484.58

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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.