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Finding the Fourth Proportional to 363,061.49, 501,049.13 and 201,945.20

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Solution

The fourth proportional to 363,061.49, 501,049.13 and 201,945.20 is: 278,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,061.49 : 501,049.13 = 201,945.20 : x
  2. Step 2: Convert to fraction form
    363,061.49/501,049.13 = 201,945.20/x
  3. Step 3: Cross multiply
    363,061.49x = 501,049.13 × 201,945.20
  4. Step 4: Simplify right side
    363,061.49x = 101,184,463,252.70
  5. Step 5: Solve for x
    x = 101,184,463,252.70/363,061.49
  6. Step 6: Final answer
    x = 278,697.87

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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.