Finding the Fourth Proportional to 667,026.36, 920,487.24 and 365,220.36
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Solution
The fourth proportional to 667,026.36, 920,487.24 and 365,220.36 is: 503,999.09
Step by Step Solution
- Step 1: Write the proportion equation
667,026.36 : 920,487.24 = 365,220.36 : x - Step 2: Convert to fraction form
667,026.36/920,487.24 = 365,220.36/x - Step 3: Cross multiply
667,026.36x = 920,487.24 × 365,220.36 - Step 4: Simplify right side
667,026.36x = 336,180,681,168.21 - Step 5: Solve for x
x = 336,180,681,168.21/667,026.36 - Step 6: Final answer
x = 503,999.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.