Finding the Fourth Proportional to 595,020.26, 821,012.47 and 353,378.63
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Solution
The fourth proportional to 595,020.26, 821,012.47 and 353,378.63 is: 487,593.92
Step by Step Solution
- Step 1: Write the proportion equation
595,020.26 : 821,012.47 = 353,378.63 : x - Step 2: Convert to fraction form
595,020.26/821,012.47 = 353,378.63/x - Step 3: Cross multiply
595,020.26x = 821,012.47 × 353,378.63 - Step 4: Simplify right side
595,020.26x = 290,128,263,030.60 - Step 5: Solve for x
x = 290,128,263,030.60/595,020.26 - Step 6: Final answer
x = 487,593.92
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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.