Finding the Fourth Proportional to 755,244.44, 1,042,237.60 and 415,710.26
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Solution
The fourth proportional to 755,244.44, 1,042,237.60 and 415,710.26 is: 573,680.31
Step by Step Solution
- Step 1: Write the proportion equation
755,244.44 : 1,042,237.60 = 415,710.26 : x - Step 2: Convert to fraction form
755,244.44/1,042,237.60 = 415,710.26/x - Step 3: Cross multiply
755,244.44x = 1,042,237.60 × 415,710.26 - Step 4: Simplify right side
755,244.44x = 433,268,863,677.78 - Step 5: Solve for x
x = 433,268,863,677.78/755,244.44 - Step 6: Final answer
x = 573,680.31
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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.