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Finding the Fourth Proportional to 591,293.34, 886,208.22 and 420,242.43

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Solution

The fourth proportional to 591,293.34, 886,208.22 and 420,242.43 is: 629,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,293.34 : 886,208.22 = 420,242.43 : x
  2. Step 2: Convert to fraction form
    591,293.34/886,208.22 = 420,242.43/x
  3. Step 3: Cross multiply
    591,293.34x = 886,208.22 × 420,242.43
  4. Step 4: Simplify right side
    591,293.34x = 372,422,295,858.78
  5. Step 5: Solve for x
    x = 372,422,295,858.78/591,293.34
  6. Step 6: Final answer
    x = 629,843.55

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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.