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Finding the Fourth Proportional to 444,078.69, 664,958.61 and 291,796.98

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Solution

The fourth proportional to 444,078.69, 664,958.61 and 291,796.98 is: 436,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,078.69 : 664,958.61 = 291,796.98 : x
  2. Step 2: Convert to fraction form
    444,078.69/664,958.61 = 291,796.98/x
  3. Step 3: Cross multiply
    444,078.69x = 664,958.61 × 291,796.98
  4. Step 4: Simplify right side
    444,078.69x = 194,032,914,223.00
  5. Step 5: Solve for x
    x = 194,032,914,223.00/444,078.69
  6. Step 6: Final answer
    x = 436,933.63

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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.