Finding the Fourth Proportional to 481,026.24, 721,517.76 and 165,484.80
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Solution
The fourth proportional to 481,026.24, 721,517.76 and 165,484.80 is: 248,219.77
Step by Step Solution
- Step 1: Write the proportion equation
481,026.24 : 721,517.76 = 165,484.80 : x - Step 2: Convert to fraction form
481,026.24/721,517.76 = 165,484.80/x - Step 3: Cross multiply
481,026.24x = 721,517.76 × 165,484.80 - Step 4: Simplify right side
481,026.24x = 119,400,222,210.05 - Step 5: Solve for x
x = 119,400,222,210.05/481,026.24 - Step 6: Final answer
x = 248,219.77
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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.