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Finding the Fourth Proportional to 1,093.99, 1,639.96 and 363.06

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Solution

The fourth proportional to 1,093.99, 1,639.96 and 363.06 is: 544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.99 : 1,639.96 = 363.06 : x
  2. Step 2: Convert to fraction form
    1,093.99/1,639.96 = 363.06/x
  3. Step 3: Cross multiply
    1,093.99x = 1,639.96 × 363.06
  4. Step 4: Simplify right side
    1,093.99x = 595,403.88
  5. Step 5: Solve for x
    x = 595,403.88/1,093.99
  6. Step 6: Final answer
    x = 544.25

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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.