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Finding the Fourth Proportional to 682.96, 1,024.52 and 250.12

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Solution

The fourth proportional to 682.96, 1,024.52 and 250.12 is: 375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.96 : 1,024.52 = 250.12 : x
  2. Step 2: Convert to fraction form
    682.96/1,024.52 = 250.12/x
  3. Step 3: Cross multiply
    682.96x = 1,024.52 × 250.12
  4. Step 4: Simplify right side
    682.96x = 256,252.13
  5. Step 5: Solve for x
    x = 256,252.13/682.96
  6. Step 6: Final answer
    x = 375.21

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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.