Finding the Fourth Proportional to 482,409.48, 723,649.05 and 127,418.88
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Solution
The fourth proportional to 482,409.48, 723,649.05 and 127,418.88 is: 191,137.52
Step by Step Solution
- Step 1: Write the proportion equation
482,409.48 : 723,649.05 = 127,418.88 : x - Step 2: Convert to fraction form
482,409.48/723,649.05 = 127,418.88/x - Step 3: Cross multiply
482,409.48x = 723,649.05 × 127,418.88 - Step 4: Simplify right side
482,409.48x = 92,206,551,464.06 - Step 5: Solve for x
x = 92,206,551,464.06/482,409.48 - Step 6: Final answer
x = 191,137.52
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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.