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Finding the Fourth Proportional to 1,441.81, 2,163.15 and 467.98

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Solution

The fourth proportional to 1,441.81, 2,163.15 and 467.98 is: 702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.81 : 2,163.15 = 467.98 : x
  2. Step 2: Convert to fraction form
    1,441.81/2,163.15 = 467.98/x
  3. Step 3: Cross multiply
    1,441.81x = 2,163.15 × 467.98
  4. Step 4: Simplify right side
    1,441.81x = 1,012,310.94
  5. Step 5: Solve for x
    x = 1,012,310.94/1,441.81
  6. Step 6: Final answer
    x = 702.11

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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.