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Finding the Fourth Proportional to 682.78, 1,025.93 and 596.33

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Solution

The fourth proportional to 682.78, 1,025.93 and 596.33 is: 896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.78 : 1,025.93 = 596.33 : x
  2. Step 2: Convert to fraction form
    682.78/1,025.93 = 596.33/x
  3. Step 3: Cross multiply
    682.78x = 1,025.93 × 596.33
  4. Step 4: Simplify right side
    682.78x = 611,796.89
  5. Step 5: Solve for x
    x = 611,796.89/682.78
  6. Step 6: Final answer
    x = 896.04

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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.