Finding the Fourth Proportional to 626,393.07, 864,793.67 and 411,903.05
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Solution
The fourth proportional to 626,393.07, 864,793.67 and 411,903.05 is: 568,670.31
Step by Step Solution
- Step 1: Write the proportion equation
626,393.07 : 864,793.67 = 411,903.05 : x - Step 2: Convert to fraction form
626,393.07/864,793.67 = 411,903.05/x - Step 3: Cross multiply
626,393.07x = 864,793.67 × 411,903.05 - Step 4: Simplify right side
626,393.07x = 356,211,143,910.21 - Step 5: Solve for x
x = 356,211,143,910.21/626,393.07 - Step 6: Final answer
x = 568,670.31
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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.