Finding the Fourth Proportional to 356,668.13, 492,202.02 and 205,765.13
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Solution
The fourth proportional to 356,668.13, 492,202.02 and 205,765.13 is: 283,955.88
Step by Step Solution
- Step 1: Write the proportion equation
356,668.13 : 492,202.02 = 205,765.13 : x - Step 2: Convert to fraction form
356,668.13/492,202.02 = 205,765.13/x - Step 3: Cross multiply
356,668.13x = 492,202.02 × 205,765.13 - Step 4: Simplify right side
356,668.13x = 101,278,010,170.55 - Step 5: Solve for x
x = 101,278,010,170.55/356,668.13 - Step 6: Final answer
x = 283,955.88
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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.