Finding the Fourth Proportional to 406,858.67, 610,218.74 and 107,342.13
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Solution
The fourth proportional to 406,858.67, 610,218.74 and 107,342.13 is: 160,994.92
Step by Step Solution
- Step 1: Write the proportion equation
406,858.67 : 610,218.74 = 107,342.13 : x - Step 2: Convert to fraction form
406,858.67/610,218.74 = 107,342.13/x - Step 3: Cross multiply
406,858.67x = 610,218.74 × 107,342.13 - Step 4: Simplify right side
406,858.67x = 65,502,179,585.87 - Step 5: Solve for x
x = 65,502,179,585.87/406,858.67 - Step 6: Final answer
x = 160,994.92
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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.