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Finding the Fourth Proportional to 587,049.78, 810,131.88 and 332,450.58

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Solution

The fourth proportional to 587,049.78, 810,131.88 and 332,450.58 is: 458,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,049.78 : 810,131.88 = 332,450.58 : x
  2. Step 2: Convert to fraction form
    587,049.78/810,131.88 = 332,450.58/x
  3. Step 3: Cross multiply
    587,049.78x = 810,131.88 × 332,450.58
  4. Step 4: Simplify right side
    587,049.78x = 269,328,813,382.49
  5. Step 5: Solve for x
    x = 269,328,813,382.49/587,049.78
  6. Step 6: Final answer
    x = 458,783.60

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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.