Finding the Fourth Proportional to 642,596.80, 886,881.26 and 410,124.07
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Solution
The fourth proportional to 642,596.80, 886,881.26 and 410,124.07 is: 566,033.56
Step by Step Solution
- Step 1: Write the proportion equation
642,596.80 : 886,881.26 = 410,124.07 : x - Step 2: Convert to fraction form
642,596.80/886,881.26 = 410,124.07/x - Step 3: Cross multiply
642,596.80x = 886,881.26 × 410,124.07 - Step 4: Simplify right side
642,596.80x = 363,731,351,957.93 - Step 5: Solve for x
x = 363,731,351,957.93/642,596.80 - Step 6: Final answer
x = 566,033.56
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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.