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Finding the Fourth Proportional to 299,067.20, 412,696.29 and 169,987.73

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Solution

The fourth proportional to 299,067.20, 412,696.29 and 169,987.73 is: 234,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,067.20 : 412,696.29 = 169,987.73 : x
  2. Step 2: Convert to fraction form
    299,067.20/412,696.29 = 169,987.73/x
  3. Step 3: Cross multiply
    299,067.20x = 412,696.29 × 169,987.73
  4. Step 4: Simplify right side
    299,067.20x = 70,153,306,548.26
  5. Step 5: Solve for x
    x = 70,153,306,548.26/299,067.20
  6. Step 6: Final answer
    x = 234,573.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.