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Finding the Fourth Proportional to 271,119.40, 406,679.10 and 201,135.40

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Solution

The fourth proportional to 271,119.40, 406,679.10 and 201,135.40 is: 301,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,119.40 : 406,679.10 = 201,135.40 : x
  2. Step 2: Convert to fraction form
    271,119.40/406,679.10 = 201,135.40/x
  3. Step 3: Cross multiply
    271,119.40x = 406,679.10 × 201,135.40
  4. Step 4: Simplify right side
    271,119.40x = 81,797,563,450.14
  5. Step 5: Solve for x
    x = 81,797,563,450.14/271,119.40
  6. Step 6: Final answer
    x = 301,703.10

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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.