Finding the Fourth Proportional to 479,362.32, 661,497.84 and 275,269.66
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Solution
The fourth proportional to 479,362.32, 661,497.84 and 275,269.66 is: 379,859.40
Step by Step Solution
- Step 1: Write the proportion equation
479,362.32 : 661,497.84 = 275,269.66 : x - Step 2: Convert to fraction form
479,362.32/661,497.84 = 275,269.66/x - Step 3: Cross multiply
479,362.32x = 661,497.84 × 275,269.66 - Step 4: Simplify right side
479,362.32x = 182,090,283,853.79 - Step 5: Solve for x
x = 182,090,283,853.79/479,362.32 - Step 6: Final answer
x = 379,859.40
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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.