Finding the Fourth Proportional to 673,674.44, 929,449.94 and 480,112.64
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Solution
The fourth proportional to 673,674.44, 929,449.94 and 480,112.64 is: 662,398.09
Step by Step Solution
- Step 1: Write the proportion equation
673,674.44 : 929,449.94 = 480,112.64 : x - Step 2: Convert to fraction form
673,674.44/929,449.94 = 480,112.64/x - Step 3: Cross multiply
673,674.44x = 929,449.94 × 480,112.64 - Step 4: Simplify right side
673,674.44x = 446,240,664,441.24 - Step 5: Solve for x
x = 446,240,664,441.24/673,674.44 - Step 6: Final answer
x = 662,398.09
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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.