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Finding the Fourth Proportional to 888.31, 1,225.24 and 573.58

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Solution

The fourth proportional to 888.31, 1,225.24 and 573.58 is: 791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.31 : 1,225.24 = 573.58 : x
  2. Step 2: Convert to fraction form
    888.31/1,225.24 = 573.58/x
  3. Step 3: Cross multiply
    888.31x = 1,225.24 × 573.58
  4. Step 4: Simplify right side
    888.31x = 702,773.16
  5. Step 5: Solve for x
    x = 702,773.16/888.31
  6. Step 6: Final answer
    x = 791.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.