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Finding the Fourth Proportional to 351,759.94, 485,452.53 and 198,745.06

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Solution

The fourth proportional to 351,759.94, 485,452.53 and 198,745.06 is: 274,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,759.94 : 485,452.53 = 198,745.06 : x
  2. Step 2: Convert to fraction form
    351,759.94/485,452.53 = 198,745.06/x
  3. Step 3: Cross multiply
    351,759.94x = 485,452.53 × 198,745.06
  4. Step 4: Simplify right side
    351,759.94x = 96,481,292,202.00
  5. Step 5: Solve for x
    x = 96,481,292,202.00/351,759.94
  6. Step 6: Final answer
    x = 274,281.64

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1.5x scale

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.