Finding the Fourth Proportional to 661,409, 992,113.50 and 162,773
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Solution
The fourth proportional to 661,409, 992,113.50 and 162,773 is: 244,159.50
Step by Step Solution
- Step 1: Write the proportion equation
661,409 : 992,113.50 = 162,773 : x - Step 2: Convert to fraction form
661,409/992,113.50 = 162,773/x - Step 3: Cross multiply
661,409x = 992,113.50 × 162,773 - Step 4: Simplify right side
661,409x = 161,489,290,735.50 - Step 5: Solve for x
x = 161,489,290,735.50/661,409 - Step 6: Final answer
x = 244,159.50
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1.5x scale
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.