Finding the Fourth Proportional to 363,077.80, 544,616.70 and 307,781.80
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Solution
The fourth proportional to 363,077.80, 544,616.70 and 307,781.80 is: 461,672.70
Step by Step Solution
- Step 1: Write the proportion equation
363,077.80 : 544,616.70 = 307,781.80 : x - Step 2: Convert to fraction form
363,077.80/544,616.70 = 307,781.80/x - Step 3: Cross multiply
363,077.80x = 544,616.70 × 307,781.80 - Step 4: Simplify right side
363,077.80x = 167,623,108,236.06 - Step 5: Solve for x
x = 167,623,108,236.06/363,077.80 - Step 6: Final answer
x = 461,672.70
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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.