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Finding the Fourth Proportional to 583.48, 874.39 and 323.59

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Solution

The fourth proportional to 583.48, 874.39 and 323.59 is: 484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.48 : 874.39 = 323.59 : x
  2. Step 2: Convert to fraction form
    583.48/874.39 = 323.59/x
  3. Step 3: Cross multiply
    583.48x = 874.39 × 323.59
  4. Step 4: Simplify right side
    583.48x = 282,943.05
  5. Step 5: Solve for x
    x = 282,943.05/583.48
  6. Step 6: Final answer
    x = 484.93

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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.