Finding the Fourth Proportional to 334,821.36, 461,848.86 and 198,762.96
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Solution
The fourth proportional to 334,821.36, 461,848.86 and 198,762.96 is: 274,171.42
Step by Step Solution
- Step 1: Write the proportion equation
334,821.36 : 461,848.86 = 198,762.96 : x - Step 2: Convert to fraction form
334,821.36/461,848.86 = 198,762.96/x - Step 3: Cross multiply
334,821.36x = 461,848.86 × 198,762.96 - Step 4: Simplify right side
334,821.36x = 91,798,446,486.23 - Step 5: Solve for x
x = 91,798,446,486.23/334,821.36 - Step 6: Final answer
x = 274,171.42
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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.