Finding the Fourth Proportional to 366,495.80, 549,743.70 and 324,716.60
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Solution
The fourth proportional to 366,495.80, 549,743.70 and 324,716.60 is: 487,074.90
Step by Step Solution
- Step 1: Write the proportion equation
366,495.80 : 549,743.70 = 324,716.60 : x - Step 2: Convert to fraction form
366,495.80/549,743.70 = 324,716.60/x - Step 3: Cross multiply
366,495.80x = 549,743.70 × 324,716.60 - Step 4: Simplify right side
366,495.80x = 178,510,905,135.42 - Step 5: Solve for x
x = 178,510,905,135.42/366,495.80 - Step 6: Final answer
x = 487,074.90
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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.