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Finding the Fourth Proportional to 271,493.40, 374,643.06 and 150,634.36

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Solution

The fourth proportional to 271,493.40, 374,643.06 and 150,634.36 is: 207,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,493.40 : 374,643.06 = 150,634.36 : x
  2. Step 2: Convert to fraction form
    271,493.40/374,643.06 = 150,634.36/x
  3. Step 3: Cross multiply
    271,493.40x = 374,643.06 × 150,634.36
  4. Step 4: Simplify right side
    271,493.40x = 56,434,117,571.54
  5. Step 5: Solve for x
    x = 56,434,117,571.54/271,493.40
  6. Step 6: Final answer
    x = 207,865.52

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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.