Finding the Fourth Proportional to 367,979.70, 551,969.55 and 367,979.70
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Solution
The fourth proportional to 367,979.70, 551,969.55 and 367,979.70 is: 551,969.55
Step by Step Solution
- Step 1: Write the proportion equation
367,979.70 : 551,969.55 = 367,979.70 : x - Step 2: Convert to fraction form
367,979.70/551,969.55 = 367,979.70/x - Step 3: Cross multiply
367,979.70x = 551,969.55 × 367,979.70 - Step 4: Simplify right side
367,979.70x = 203,113,589,418.14 - Step 5: Solve for x
x = 203,113,589,418.14/367,979.70 - Step 6: Final answer
x = 551,969.55
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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.