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Finding the Fourth Proportional to 271,059.20, 406,977.60 and 204,963.20

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Solution

The fourth proportional to 271,059.20, 406,977.60 and 204,963.20 is: 307,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,059.20 : 406,977.60 = 204,963.20 : x
  2. Step 2: Convert to fraction form
    271,059.20/406,977.60 = 204,963.20/x
  3. Step 3: Cross multiply
    271,059.20x = 406,977.60 × 204,963.20
  4. Step 4: Simplify right side
    271,059.20x = 83,415,431,224.32
  5. Step 5: Solve for x
    x = 83,415,431,224.32/271,059.20
  6. Step 6: Final answer
    x = 307,738.79

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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.