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Finding the Fourth Proportional to 350,870.67, 484,201.18 and 189,725.33

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Solution

The fourth proportional to 350,870.67, 484,201.18 and 189,725.33 is: 261,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,870.67 : 484,201.18 = 189,725.33 : x
  2. Step 2: Convert to fraction form
    350,870.67/484,201.18 = 189,725.33/x
  3. Step 3: Cross multiply
    350,870.67x = 484,201.18 × 189,725.33
  4. Step 4: Simplify right side
    350,870.67x = 91,865,231,634.64
  5. Step 5: Solve for x
    x = 91,865,231,634.64/350,870.67
  6. Step 6: Final answer
    x = 261,820.78

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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.