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Finding the Fourth Proportional to 679,504.26, 937,716.46 and 373,585.84

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Solution

The fourth proportional to 679,504.26, 937,716.46 and 373,585.84 is: 515,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,504.26 : 937,716.46 = 373,585.84 : x
  2. Step 2: Convert to fraction form
    679,504.26/937,716.46 = 373,585.84/x
  3. Step 3: Cross multiply
    679,504.26x = 937,716.46 × 373,585.84
  4. Step 4: Simplify right side
    679,504.26x = 350,317,591,390.93
  5. Step 5: Solve for x
    x = 350,317,591,390.93/679,504.26
  6. Step 6: Final answer
    x = 515,548.78

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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.