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Finding the Fourth Proportional to 1,468.63, 2,202.26 and 544.15

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Solution

The fourth proportional to 1,468.63, 2,202.26 and 544.15 is: 815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.63 : 2,202.26 = 544.15 : x
  2. Step 2: Convert to fraction form
    1,468.63/2,202.26 = 544.15/x
  3. Step 3: Cross multiply
    1,468.63x = 2,202.26 × 544.15
  4. Step 4: Simplify right side
    1,468.63x = 1,198,346.05
  5. Step 5: Solve for x
    x = 1,198,346.05/1,468.63
  6. Step 6: Final answer
    x = 815.96

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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.