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Finding the Fourth Proportional to 351,404.80, 484,936.39 and 190,259.35

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Solution

The fourth proportional to 351,404.80, 484,936.39 and 190,259.35 is: 262,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,404.80 : 484,936.39 = 190,259.35 : x
  2. Step 2: Convert to fraction form
    351,404.80/484,936.39 = 190,259.35/x
  3. Step 3: Cross multiply
    351,404.80x = 484,936.39 × 190,259.35
  4. Step 4: Simplify right side
    351,404.80x = 92,263,682,352.75
  5. Step 5: Solve for x
    x = 92,263,682,352.75/351,404.80
  6. Step 6: Final answer
    x = 262,556.69

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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.