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Finding the Fourth Proportional to 1,093.56, 1,639.99 and 362.98

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Solution

The fourth proportional to 1,093.56, 1,639.99 and 362.98 is: 544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.56 : 1,639.99 = 362.98 : x
  2. Step 2: Convert to fraction form
    1,093.56/1,639.99 = 362.98/x
  3. Step 3: Cross multiply
    1,093.56x = 1,639.99 × 362.98
  4. Step 4: Simplify right side
    1,093.56x = 595,283.57
  5. Step 5: Solve for x
    x = 595,283.57/1,093.56
  6. Step 6: Final answer
    x = 544.35

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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.