Finding the Fourth Proportional to 467,133.09, 644,643.64 and 252,273.14
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Solution
The fourth proportional to 467,133.09, 644,643.64 and 252,273.14 is: 348,136.91
Step by Step Solution
- Step 1: Write the proportion equation
467,133.09 : 644,643.64 = 252,273.14 : x - Step 2: Convert to fraction form
467,133.09/644,643.64 = 252,273.14/x - Step 3: Cross multiply
467,133.09x = 644,643.64 × 252,273.14 - Step 4: Simplify right side
467,133.09x = 162,626,272,651.29 - Step 5: Solve for x
x = 162,626,272,651.29/467,133.09 - Step 6: Final answer
x = 348,136.91
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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.