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Finding the Fourth Proportional to 1,016.49, 1,524.73 and 246.99

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Solution

The fourth proportional to 1,016.49, 1,524.73 and 246.99 is: 370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.49 : 1,524.73 = 246.99 : x
  2. Step 2: Convert to fraction form
    1,016.49/1,524.73 = 246.99/x
  3. Step 3: Cross multiply
    1,016.49x = 1,524.73 × 246.99
  4. Step 4: Simplify right side
    1,016.49x = 376,592.45
  5. Step 5: Solve for x
    x = 376,592.45/1,016.49
  6. Step 6: Final answer
    x = 370.48

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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.