Finding the Fourth Proportional to 605,530.14, 835,631.58 and 351,028.95
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Solution
The fourth proportional to 605,530.14, 835,631.58 and 351,028.95 is: 484,419.94
Step by Step Solution
- Step 1: Write the proportion equation
605,530.14 : 835,631.58 = 351,028.95 : x - Step 2: Convert to fraction form
605,530.14/835,631.58 = 351,028.95/x - Step 3: Cross multiply
605,530.14x = 835,631.58 × 351,028.95 - Step 4: Simplify right side
605,530.14x = 293,330,876,114.24 - Step 5: Solve for x
x = 293,330,876,114.24/605,530.14 - Step 6: Final answer
x = 484,419.94
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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.