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Finding the Fourth Proportional to 1,467.26, 2,201.03 and 413.07

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Solution

The fourth proportional to 1,467.26, 2,201.03 and 413.07 is: 619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.26 : 2,201.03 = 413.07 : x
  2. Step 2: Convert to fraction form
    1,467.26/2,201.03 = 413.07/x
  3. Step 3: Cross multiply
    1,467.26x = 2,201.03 × 413.07
  4. Step 4: Simplify right side
    1,467.26x = 909,179.46
  5. Step 5: Solve for x
    x = 909,179.46/1,467.26
  6. Step 6: Final answer
    x = 619.64

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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.