Finding the Fourth Proportional to 357,067.24, 492,744.05 and 199,901.23
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Solution
The fourth proportional to 357,067.24, 492,744.05 and 199,901.23 is: 275,858.80
Step by Step Solution
- Step 1: Write the proportion equation
357,067.24 : 492,744.05 = 199,901.23 : x - Step 2: Convert to fraction form
357,067.24/492,744.05 = 199,901.23/x - Step 3: Cross multiply
357,067.24x = 492,744.05 × 199,901.23 - Step 4: Simplify right side
357,067.24x = 98,500,141,670.18 - Step 5: Solve for x
x = 98,500,141,670.18/357,067.24 - Step 6: Final answer
x = 275,858.80
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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.