Finding the Fourth Proportional to 363,479.97, 545,331.12 and 186,112.44
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Solution
The fourth proportional to 363,479.97, 545,331.12 and 186,112.44 is: 279,225.58
Step by Step Solution
- Step 1: Write the proportion equation
363,479.97 : 545,331.12 = 186,112.44 : x - Step 2: Convert to fraction form
363,479.97/545,331.12 = 186,112.44/x - Step 3: Cross multiply
363,479.97x = 545,331.12 × 186,112.44 - Step 4: Simplify right side
363,479.97x = 101,492,905,351.13 - Step 5: Solve for x
x = 101,492,905,351.13/363,479.97 - Step 6: Final answer
x = 279,225.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.