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Finding the Fourth Proportional to 350,321.76, 479,942.55 and 337,201.65

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Solution

The fourth proportional to 350,321.76, 479,942.55 and 337,201.65 is: 461,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,321.76 : 479,942.55 = 337,201.65 : x
  2. Step 2: Convert to fraction form
    350,321.76/479,942.55 = 337,201.65/x
  3. Step 3: Cross multiply
    350,321.76x = 479,942.55 × 337,201.65
  4. Step 4: Simplify right side
    350,321.76x = 161,837,419,765.21
  5. Step 5: Solve for x
    x = 161,837,419,765.21/350,321.76
  6. Step 6: Final answer
    x = 461,967.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.