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Finding the Fourth Proportional to 351,169.52, 484,610.40 and 190,021.04

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Solution

The fourth proportional to 351,169.52, 484,610.40 and 190,021.04 is: 262,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,169.52 : 484,610.40 = 190,021.04 : x
  2. Step 2: Convert to fraction form
    351,169.52/484,610.40 = 190,021.04/x
  3. Step 3: Cross multiply
    351,169.52x = 484,610.40 × 190,021.04
  4. Step 4: Simplify right side
    351,169.52x = 92,086,172,202.82
  5. Step 5: Solve for x
    x = 92,086,172,202.82/351,169.52
  6. Step 6: Final answer
    x = 262,227.12

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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.