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Finding the Fourth Proportional to 271,806.80, 406,903.80 and 201,995.60

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Solution

The fourth proportional to 271,806.80, 406,903.80 and 201,995.60 is: 302,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,806.80 : 406,903.80 = 201,995.60 : x
  2. Step 2: Convert to fraction form
    271,806.80/406,903.80 = 201,995.60/x
  3. Step 3: Cross multiply
    271,806.80x = 406,903.80 × 201,995.60
  4. Step 4: Simplify right side
    271,806.80x = 82,192,777,223.28
  5. Step 5: Solve for x
    x = 82,192,777,223.28/271,806.80
  6. Step 6: Final answer
    x = 302,394.12

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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.