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Finding the Fourth Proportional to 1,150.97, 1,726.22 and 329.03

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Solution

The fourth proportional to 1,150.97, 1,726.22 and 329.03 is: 493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.97 : 1,726.22 = 329.03 : x
  2. Step 2: Convert to fraction form
    1,150.97/1,726.22 = 329.03/x
  3. Step 3: Cross multiply
    1,150.97x = 1,726.22 × 329.03
  4. Step 4: Simplify right side
    1,150.97x = 567,967.89
  5. Step 5: Solve for x
    x = 567,967.89/1,150.97
  6. Step 6: Final answer
    x = 493.47

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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.