Finding the Fourth Proportional to 310,438.40, 465,268 and 132,736.48
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Solution
The fourth proportional to 310,438.40, 465,268 and 132,736.48 is: 198,938.14
Step by Step Solution
- Step 1: Write the proportion equation
310,438.40 : 465,268 = 132,736.48 : x - Step 2: Convert to fraction form
310,438.40/465,268 = 132,736.48/x - Step 3: Cross multiply
310,438.40x = 465,268 × 132,736.48 - Step 4: Simplify right side
310,438.40x = 61,758,036,576.64 - Step 5: Solve for x
x = 61,758,036,576.64/310,438.40 - Step 6: Final answer
x = 198,938.14
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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.