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Finding the Fourth Proportional to 363,069.20, 501,049.32 and 201,935.90

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Solution

The fourth proportional to 363,069.20, 501,049.32 and 201,935.90 is: 278,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,069.20 : 501,049.32 = 201,935.90 : x
  2. Step 2: Convert to fraction form
    363,069.20/501,049.32 = 201,935.90/x
  3. Step 3: Cross multiply
    363,069.20x = 501,049.32 × 201,935.90
  4. Step 4: Simplify right side
    363,069.20x = 101,179,845,378.59
  5. Step 5: Solve for x
    x = 101,179,845,378.59/363,069.20
  6. Step 6: Final answer
    x = 278,679.23

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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.