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Finding the Fourth Proportional to 682.10, 941.13 and 514.22

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Solution

The fourth proportional to 682.10, 941.13 and 514.22 is: 709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.10 : 941.13 = 514.22 : x
  2. Step 2: Convert to fraction form
    682.10/941.13 = 514.22/x
  3. Step 3: Cross multiply
    682.10x = 941.13 × 514.22
  4. Step 4: Simplify right side
    682.10x = 483,947.87
  5. Step 5: Solve for x
    x = 483,947.87/682.10
  6. Step 6: Final answer
    x = 709.50

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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.