Finding the Fourth Proportional to 547,411.36, 755,398.80 and 308,932
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Solution
The fourth proportional to 547,411.36, 755,398.80 and 308,932 is: 426,309.86
Step by Step Solution
- Step 1: Write the proportion equation
547,411.36 : 755,398.80 = 308,932 : x - Step 2: Convert to fraction form
547,411.36/755,398.80 = 308,932/x - Step 3: Cross multiply
547,411.36x = 755,398.80 × 308,932 - Step 4: Simplify right side
547,411.36x = 233,366,862,081.60 - Step 5: Solve for x
x = 233,366,862,081.60/547,411.36 - Step 6: Final answer
x = 426,309.86
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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.