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Finding the Fourth Proportional to 271,395.05, 407,093.61 and 113,512.74

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Solution

The fourth proportional to 271,395.05, 407,093.61 and 113,512.74 is: 170,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,395.05 : 407,093.61 = 113,512.74 : x
  2. Step 2: Convert to fraction form
    271,395.05/407,093.61 = 113,512.74/x
  3. Step 3: Cross multiply
    271,395.05x = 407,093.61 × 113,512.74
  4. Step 4: Simplify right side
    271,395.05x = 46,210,311,107.59
  5. Step 5: Solve for x
    x = 46,210,311,107.59/271,395.05
  6. Step 6: Final answer
    x = 170,269.55

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1.5x scale

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.