Finding the Fourth Proportional to 529,524.51, 730,740.42 and 303,213.75
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Solution
The fourth proportional to 529,524.51, 730,740.42 and 303,213.75 is: 418,433.03
Step by Step Solution
- Step 1: Write the proportion equation
529,524.51 : 730,740.42 = 303,213.75 : x - Step 2: Convert to fraction form
529,524.51/730,740.42 = 303,213.75/x - Step 3: Cross multiply
529,524.51x = 730,740.42 × 303,213.75 - Step 4: Simplify right side
529,524.51x = 221,570,543,024.78 - Step 5: Solve for x
x = 221,570,543,024.78/529,524.51 - Step 6: Final answer
x = 418,433.03
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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.