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Finding the Fourth Proportional to 264,474.26, 396,627.15 and 86,940.35

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Solution

The fourth proportional to 264,474.26, 396,627.15 and 86,940.35 is: 130,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,474.26 : 396,627.15 = 86,940.35 : x
  2. Step 2: Convert to fraction form
    264,474.26/396,627.15 = 86,940.35/x
  3. Step 3: Cross multiply
    264,474.26x = 396,627.15 × 86,940.35
  4. Step 4: Simplify right side
    264,474.26x = 34,482,903,240.50
  5. Step 5: Solve for x
    x = 34,482,903,240.50/264,474.26
  6. Step 6: Final answer
    x = 130,382.83

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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.