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Finding the Fourth Proportional to 941,478.87, 1,299,245.46 and 511,759

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Solution

The fourth proportional to 941,478.87, 1,299,245.46 and 511,759 is: 706,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,478.87 : 1,299,245.46 = 511,759 : x
  2. Step 2: Convert to fraction form
    941,478.87/1,299,245.46 = 511,759/x
  3. Step 3: Cross multiply
    941,478.87x = 1,299,245.46 × 511,759
  4. Step 4: Simplify right side
    941,478.87x = 664,900,557,364.14
  5. Step 5: Solve for x
    x = 664,900,557,364.14/941,478.87
  6. Step 6: Final answer
    x = 706,229.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.