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Finding the Fourth Proportional to 1,468.73, 2,200.23 and 774.36

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Solution

The fourth proportional to 1,468.73, 2,200.23 and 774.36 is: 1,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.73 : 2,200.23 = 774.36 : x
  2. Step 2: Convert to fraction form
    1,468.73/2,200.23 = 774.36/x
  3. Step 3: Cross multiply
    1,468.73x = 2,200.23 × 774.36
  4. Step 4: Simplify right side
    1,468.73x = 1,703,770.10
  5. Step 5: Solve for x
    x = 1,703,770.10/1,468.73
  6. Step 6: Final answer
    x = 1,160.03

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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.