Finding the Fourth Proportional to 338,813.64, 467,577.49 and 202,821.28
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Solution
The fourth proportional to 338,813.64, 467,577.49 and 202,821.28 is: 279,902.14
Step by Step Solution
- Step 1: Write the proportion equation
338,813.64 : 467,577.49 = 202,821.28 : x - Step 2: Convert to fraction form
338,813.64/467,577.49 = 202,821.28/x - Step 3: Cross multiply
338,813.64x = 467,577.49 × 202,821.28 - Step 4: Simplify right side
338,813.64x = 94,834,664,105.57 - Step 5: Solve for x
x = 94,834,664,105.57/338,813.64 - Step 6: Final answer
x = 279,902.14
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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.