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Finding the Fourth Proportional to 583.44, 875 and 218.03

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Solution

The fourth proportional to 583.44, 875 and 218.03 is: 326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.44 : 875 = 218.03 : x
  2. Step 2: Convert to fraction form
    583.44/875 = 218.03/x
  3. Step 3: Cross multiply
    583.44x = 875 × 218.03
  4. Step 4: Simplify right side
    583.44x = 190,776.25
  5. Step 5: Solve for x
    x = 190,776.25/583.44
  6. Step 6: Final answer
    x = 326.99

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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.