Finding the Fourth Proportional to 449,743.80, 674,615.70 and 169,323.96
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Solution
The fourth proportional to 449,743.80, 674,615.70 and 169,323.96 is: 253,985.94
Step by Step Solution
- Step 1: Write the proportion equation
449,743.80 : 674,615.70 = 169,323.96 : x - Step 2: Convert to fraction form
449,743.80/674,615.70 = 169,323.96/x - Step 3: Cross multiply
449,743.80x = 674,615.70 × 169,323.96 - Step 4: Simplify right side
449,743.80x = 114,228,601,802.17 - Step 5: Solve for x
x = 114,228,601,802.17/449,743.80 - Step 6: Final answer
x = 253,985.94
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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.