Finding the Fourth Proportional to 264,518.76, 396,798.39 and 74,975.94
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Solution
The fourth proportional to 264,518.76, 396,798.39 and 74,975.94 is: 112,469.65
Step by Step Solution
- Step 1: Write the proportion equation
264,518.76 : 396,798.39 = 74,975.94 : x - Step 2: Convert to fraction form
264,518.76/396,798.39 = 74,975.94/x - Step 3: Cross multiply
264,518.76x = 396,798.39 × 74,975.94 - Step 4: Simplify right side
264,518.76x = 29,750,332,280.74 - Step 5: Solve for x
x = 29,750,332,280.74/264,518.76 - Step 6: Final answer
x = 112,469.65
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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.