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Finding the Fourth Proportional to 583.34, 875.26 and 218.06

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Solution

The fourth proportional to 583.34, 875.26 and 218.06 is: 327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.34 : 875.26 = 218.06 : x
  2. Step 2: Convert to fraction form
    583.34/875.26 = 218.06/x
  3. Step 3: Cross multiply
    583.34x = 875.26 × 218.06
  4. Step 4: Simplify right side
    583.34x = 190,859.20
  5. Step 5: Solve for x
    x = 190,859.20/583.34
  6. Step 6: Final answer
    x = 327.18

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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.