Finding the Fourth Proportional to 367,716.61, 551,741.26 and 187,709.05
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Solution
The fourth proportional to 367,716.61, 551,741.26 and 187,709.05 is: 281,648.49
Step by Step Solution
- Step 1: Write the proportion equation
367,716.61 : 551,741.26 = 187,709.05 : x - Step 2: Convert to fraction form
367,716.61/551,741.26 = 187,709.05/x - Step 3: Cross multiply
367,716.61x = 551,741.26 × 187,709.05 - Step 4: Simplify right side
367,716.61x = 103,566,827,760.40 - Step 5: Solve for x
x = 103,566,827,760.40/367,716.61 - Step 6: Final answer
x = 281,648.49
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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.