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Finding the Fourth Proportional to 1,494.98, 2,243.19 and 605.48

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Solution

The fourth proportional to 1,494.98, 2,243.19 and 605.48 is: 908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.98 : 2,243.19 = 605.48 : x
  2. Step 2: Convert to fraction form
    1,494.98/2,243.19 = 605.48/x
  3. Step 3: Cross multiply
    1,494.98x = 2,243.19 × 605.48
  4. Step 4: Simplify right side
    1,494.98x = 1,358,210.35
  5. Step 5: Solve for x
    x = 1,358,210.35/1,494.98
  6. Step 6: Final answer
    x = 908.51

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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.