Finding the Fourth Proportional to 307,973.39, 461,960.09 and 115,883.93
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Solution
The fourth proportional to 307,973.39, 461,960.09 and 115,883.93 is: 173,825.89
Step by Step Solution
- Step 1: Write the proportion equation
307,973.39 : 461,960.09 = 115,883.93 : x - Step 2: Convert to fraction form
307,973.39/461,960.09 = 115,883.93/x - Step 3: Cross multiply
307,973.39x = 461,960.09 × 115,883.93 - Step 4: Simplify right side
307,973.39x = 53,533,747,843.13 - Step 5: Solve for x
x = 53,533,747,843.13/307,973.39 - Step 6: Final answer
x = 173,825.89
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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.