Finding the Fourth Proportional to 793,675.20, 1,190,512.80 and 268,363.20
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Solution
The fourth proportional to 793,675.20, 1,190,512.80 and 268,363.20 is: 402,544.80
Step by Step Solution
- Step 1: Write the proportion equation
793,675.20 : 1,190,512.80 = 268,363.20 : x - Step 2: Convert to fraction form
793,675.20/1,190,512.80 = 268,363.20/x - Step 3: Cross multiply
793,675.20x = 1,190,512.80 × 268,363.20 - Step 4: Simplify right side
793,675.20x = 319,489,824,648.96 - Step 5: Solve for x
x = 319,489,824,648.96/793,675.20 - Step 6: Final answer
x = 402,544.80
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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.