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Finding the Fourth Proportional to 583.96, 875.56 and 218.44

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Solution

The fourth proportional to 583.96, 875.56 and 218.44 is: 327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.96 : 875.56 = 218.44 : x
  2. Step 2: Convert to fraction form
    583.96/875.56 = 218.44/x
  3. Step 3: Cross multiply
    583.96x = 875.56 × 218.44
  4. Step 4: Simplify right side
    583.96x = 191,257.33
  5. Step 5: Solve for x
    x = 191,257.33/583.96
  6. Step 6: Final answer
    x = 327.52

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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.