Finding the Fourth Proportional to 481,336.74, 721,995.36 and 165,786.66
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Solution
The fourth proportional to 481,336.74, 721,995.36 and 165,786.66 is: 248,676.63
Step by Step Solution
- Step 1: Write the proportion equation
481,336.74 : 721,995.36 = 165,786.66 : x - Step 2: Convert to fraction form
481,336.74/721,995.36 = 165,786.66/x - Step 3: Cross multiply
481,336.74x = 721,995.36 × 165,786.66 - Step 4: Simplify right side
481,336.74x = 119,697,199,269.90 - Step 5: Solve for x
x = 119,697,199,269.90/481,336.74 - Step 6: Final answer
x = 248,676.63
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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.