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Finding the Fourth Proportional to 363,119.15, 501,092.40 and 201,969.65

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Solution

The fourth proportional to 363,119.15, 501,092.40 and 201,969.65 is: 278,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,119.15 : 501,092.40 = 201,969.65 : x
  2. Step 2: Convert to fraction form
    363,119.15/501,092.40 = 201,969.65/x
  3. Step 3: Cross multiply
    363,119.15x = 501,092.40 × 201,969.65
  4. Step 4: Simplify right side
    363,119.15x = 101,205,453,130.35
  5. Step 5: Solve for x
    x = 101,205,453,130.35/363,119.15
  6. Step 6: Final answer
    x = 278,711.42

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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.