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Finding the Fourth Proportional to 271,367.58, 374,054.72 and 213,913.28

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Solution

The fourth proportional to 271,367.58, 374,054.72 and 213,913.28 is: 294,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,367.58 : 374,054.72 = 213,913.28 : x
  2. Step 2: Convert to fraction form
    271,367.58/374,054.72 = 213,913.28/x
  3. Step 3: Cross multiply
    271,367.58x = 374,054.72 × 213,913.28
  4. Step 4: Simplify right side
    271,367.58x = 80,015,272,054.68
  5. Step 5: Solve for x
    x = 80,015,272,054.68/271,367.58
  6. Step 6: Final answer
    x = 294,859.36

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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.