Finding the Fourth Proportional to 303,083.97, 418,246.76 and 167,117.88
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Solution
The fourth proportional to 303,083.97, 418,246.76 and 167,117.88 is: 230,617.64
Step by Step Solution
- Step 1: Write the proportion equation
303,083.97 : 418,246.76 = 167,117.88 : x - Step 2: Convert to fraction form
303,083.97/418,246.76 = 167,117.88/x - Step 3: Cross multiply
303,083.97x = 418,246.76 × 167,117.88 - Step 4: Simplify right side
303,083.97x = 69,896,510,600.04 - Step 5: Solve for x
x = 69,896,510,600.04/303,083.97 - Step 6: Final answer
x = 230,617.64
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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.