Finding the Fourth Proportional to 605,765.14, 835,959.18 and 347,621.53
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Solution
The fourth proportional to 605,765.14, 835,959.18 and 347,621.53 is: 479,719.60
Step by Step Solution
- Step 1: Write the proportion equation
605,765.14 : 835,959.18 = 347,621.53 : x - Step 2: Convert to fraction form
605,765.14/835,959.18 = 347,621.53/x - Step 3: Cross multiply
605,765.14x = 835,959.18 × 347,621.53 - Step 4: Simplify right side
605,765.14x = 290,597,406,574.89 - Step 5: Solve for x
x = 290,597,406,574.89/605,765.14 - Step 6: Final answer
x = 479,719.60
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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.