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Finding the Fourth Proportional to 271,611.97, 374,843.40 and 156,929.33

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Solution

The fourth proportional to 271,611.97, 374,843.40 and 156,929.33 is: 216,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,611.97 : 374,843.40 = 156,929.33 : x
  2. Step 2: Convert to fraction form
    271,611.97/374,843.40 = 156,929.33/x
  3. Step 3: Cross multiply
    271,611.97x = 374,843.40 × 156,929.33
  4. Step 4: Simplify right side
    271,611.97x = 58,823,923,965.55
  5. Step 5: Solve for x
    x = 58,823,923,965.55/271,611.97
  6. Step 6: Final answer
    x = 216,573.39

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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.