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Finding the Fourth Proportional to 1,024.96, 1,414.39 and 605.22

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Solution

The fourth proportional to 1,024.96, 1,414.39 and 605.22 is: 835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.96 : 1,414.39 = 605.22 : x
  2. Step 2: Convert to fraction form
    1,024.96/1,414.39 = 605.22/x
  3. Step 3: Cross multiply
    1,024.96x = 1,414.39 × 605.22
  4. Step 4: Simplify right side
    1,024.96x = 856,017.11
  5. Step 5: Solve for x
    x = 856,017.11/1,024.96
  6. Step 6: Final answer
    x = 835.17

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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.