Finding the Fourth Proportional to 318,077.12, 438,946.56 and 174,836
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Solution
The fourth proportional to 318,077.12, 438,946.56 and 174,836 is: 241,273.75
Step by Step Solution
- Step 1: Write the proportion equation
318,077.12 : 438,946.56 = 174,836 : x - Step 2: Convert to fraction form
318,077.12/438,946.56 = 174,836/x - Step 3: Cross multiply
318,077.12x = 438,946.56 × 174,836 - Step 4: Simplify right side
318,077.12x = 76,743,660,764.16 - Step 5: Solve for x
x = 76,743,660,764.16/318,077.12 - Step 6: Final answer
x = 241,273.75
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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.