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Finding the Fourth Proportional to 583.28, 875.20 and 352.26

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Solution

The fourth proportional to 583.28, 875.20 and 352.26 is: 528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.28 : 875.20 = 352.26 : x
  2. Step 2: Convert to fraction form
    583.28/875.20 = 352.26/x
  3. Step 3: Cross multiply
    583.28x = 875.20 × 352.26
  4. Step 4: Simplify right side
    583.28x = 308,297.95
  5. Step 5: Solve for x
    x = 308,297.95/583.28
  6. Step 6: Final answer
    x = 528.56

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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.