Finding the Fourth Proportional to 701,979.44, 968,649.71 and 396,060.66
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Solution
The fourth proportional to 701,979.44, 968,649.71 and 396,060.66 is: 546,517.49
Step by Step Solution
- Step 1: Write the proportion equation
701,979.44 : 968,649.71 = 396,060.66 : x - Step 2: Convert to fraction form
701,979.44/968,649.71 = 396,060.66/x - Step 3: Cross multiply
701,979.44x = 968,649.71 × 396,060.66 - Step 4: Simplify right side
701,979.44x = 383,644,041,471.11 - Step 5: Solve for x
x = 383,644,041,471.11/701,979.44 - Step 6: Final answer
x = 546,517.49
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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.