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Finding the Fourth Proportional to 363,082.22, 501,015.08 and 201,911.21

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Solution

The fourth proportional to 363,082.22, 501,015.08 and 201,911.21 is: 278,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,082.22 : 501,015.08 = 201,911.21 : x
  2. Step 2: Convert to fraction form
    363,082.22/501,015.08 = 201,911.21/x
  3. Step 3: Cross multiply
    363,082.22x = 501,015.08 × 201,911.21
  4. Step 4: Simplify right side
    363,082.22x = 101,160,560,021.49
  5. Step 5: Solve for x
    x = 101,160,560,021.49/363,082.22
  6. Step 6: Final answer
    x = 278,616.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.