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Finding the Fourth Proportional to 439,300.87, 659,052.45 and 186,589.37

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Solution

The fourth proportional to 439,300.87, 659,052.45 and 186,589.37 is: 279,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,300.87 : 659,052.45 = 186,589.37 : x
  2. Step 2: Convert to fraction form
    439,300.87/659,052.45 = 186,589.37/x
  3. Step 3: Cross multiply
    439,300.87x = 659,052.45 × 186,589.37
  4. Step 4: Simplify right side
    439,300.87x = 122,972,183,090.09
  5. Step 5: Solve for x
    x = 122,972,183,090.09/439,300.87
  6. Step 6: Final answer
    x = 279,927.02

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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.