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Finding the Fourth Proportional to 587,846.44, 810,986.70 and 383,826.88

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Solution

The fourth proportional to 587,846.44, 810,986.70 and 383,826.88 is: 529,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,846.44 : 810,986.70 = 383,826.88 : x
  2. Step 2: Convert to fraction form
    587,846.44/810,986.70 = 383,826.88/x
  3. Step 3: Cross multiply
    587,846.44x = 810,986.70 × 383,826.88
  4. Step 4: Simplify right side
    587,846.44x = 311,278,494,782.50
  5. Step 5: Solve for x
    x = 311,278,494,782.50/587,846.44
  6. Step 6: Final answer
    x = 529,523.48

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