Finding the Fourth Proportional to 616,122.68, 921,935.93 and 363,524.18
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Solution
The fourth proportional to 616,122.68, 921,935.93 and 363,524.18 is: 543,959.85
Step by Step Solution
- Step 1: Write the proportion equation
616,122.68 : 921,935.93 = 363,524.18 : x - Step 2: Convert to fraction form
616,122.68/921,935.93 = 363,524.18/x - Step 3: Cross multiply
616,122.68x = 921,935.93 × 363,524.18 - Step 4: Simplify right side
616,122.68x = 335,145,996,538.49 - Step 5: Solve for x
x = 335,145,996,538.49/616,122.68 - Step 6: Final answer
x = 543,959.85
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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.