Finding the Fourth Proportional to 296,918.26, 445,290.31 and 83,671.99
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Solution
The fourth proportional to 296,918.26, 445,290.31 and 83,671.99 is: 125,483.45
Step by Step Solution
- Step 1: Write the proportion equation
296,918.26 : 445,290.31 = 83,671.99 : x - Step 2: Convert to fraction form
296,918.26/445,290.31 = 83,671.99/x - Step 3: Cross multiply
296,918.26x = 445,290.31 × 83,671.99 - Step 4: Simplify right side
296,918.26x = 37,258,326,365.42 - Step 5: Solve for x
x = 37,258,326,365.42/296,918.26 - Step 6: Final answer
x = 125,483.45
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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.