Finding the Fourth Proportional to 448,180, 618,488.40 and 246,976
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Solution
The fourth proportional to 448,180, 618,488.40 and 246,976 is: 340,826.88
Step by Step Solution
- Step 1: Write the proportion equation
448,180 : 618,488.40 = 246,976 : x - Step 2: Convert to fraction form
448,180/618,488.40 = 246,976/x - Step 3: Cross multiply
448,180x = 618,488.40 × 246,976 - Step 4: Simplify right side
448,180x = 152,751,791,078.40 - Step 5: Solve for x
x = 152,751,791,078.40/448,180 - Step 6: Final answer
x = 340,826.88
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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.