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Finding the Fourth Proportional to 619,664.62, 929,493.68 and 337,151.05

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Solution

The fourth proportional to 619,664.62, 929,493.68 and 337,151.05 is: 505,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,664.62 : 929,493.68 = 337,151.05 : x
  2. Step 2: Convert to fraction form
    619,664.62/929,493.68 = 337,151.05/x
  3. Step 3: Cross multiply
    619,664.62x = 929,493.68 × 337,151.05
  4. Step 4: Simplify right side
    619,664.62x = 313,379,769,933.65
  5. Step 5: Solve for x
    x = 313,379,769,933.65/619,664.62
  6. Step 6: Final answer
    x = 505,724.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.