Finding the Fourth Proportional to 591,613.74, 816,426.99 and 323,341.74
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Solution
The fourth proportional to 591,613.74, 816,426.99 and 323,341.74 is: 446,211.62
Step by Step Solution
- Step 1: Write the proportion equation
591,613.74 : 816,426.99 = 323,341.74 : x - Step 2: Convert to fraction form
591,613.74/816,426.99 = 323,341.74/x - Step 3: Cross multiply
591,613.74x = 816,426.99 × 323,341.74 - Step 4: Simplify right side
591,613.74x = 263,984,923,529.56 - Step 5: Solve for x
x = 263,984,923,529.56/591,613.74 - Step 6: Final answer
x = 446,211.62
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1.5x scale
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.