Finding the Fourth Proportional to 403,342.26, 604,872.36 and 118,957.38
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Solution
The fourth proportional to 403,342.26, 604,872.36 and 118,957.38 is: 178,394.48
Step by Step Solution
- Step 1: Write the proportion equation
403,342.26 : 604,872.36 = 118,957.38 : x - Step 2: Convert to fraction form
403,342.26/604,872.36 = 118,957.38/x - Step 3: Cross multiply
403,342.26x = 604,872.36 × 118,957.38 - Step 4: Simplify right side
403,342.26x = 71,954,031,180.02 - Step 5: Solve for x
x = 71,954,031,180.02/403,342.26 - Step 6: Final answer
x = 178,394.48
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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.