Finding the Fourth Proportional to 592,907.09, 818,212.07 and 320,974.99
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Solution
The fourth proportional to 592,907.09, 818,212.07 and 320,974.99 is: 442,945.63
Step by Step Solution
- Step 1: Write the proportion equation
592,907.09 : 818,212.07 = 320,974.99 : x - Step 2: Convert to fraction form
592,907.09/818,212.07 = 320,974.99/x - Step 3: Cross multiply
592,907.09x = 818,212.07 × 320,974.99 - Step 4: Simplify right side
592,907.09x = 262,625,607,335.72 - Step 5: Solve for x
x = 262,625,607,335.72/592,907.09 - Step 6: Final answer
x = 442,945.63
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1.5x scale
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.