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Finding the Fourth Proportional to 271,144.32, 406,638.70 and 104,893.44

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Solution

The fourth proportional to 271,144.32, 406,638.70 and 104,893.44 is: 157,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,144.32 : 406,638.70 = 104,893.44 : x
  2. Step 2: Convert to fraction form
    271,144.32/406,638.70 = 104,893.44/x
  3. Step 3: Cross multiply
    271,144.32x = 406,638.70 × 104,893.44
  4. Step 4: Simplify right side
    271,144.32x = 42,653,732,080.13
  5. Step 5: Solve for x
    x = 42,653,732,080.13/271,144.32
  6. Step 6: Final answer
    x = 157,310.07

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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.