Finding the Fourth Proportional to 476,137.26, 657,069.06 and 272,192.67
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Solution
The fourth proportional to 476,137.26, 657,069.06 and 272,192.67 is: 375,625.68
Step by Step Solution
- Step 1: Write the proportion equation
476,137.26 : 657,069.06 = 272,192.67 : x - Step 2: Convert to fraction form
476,137.26/657,069.06 = 272,192.67/x - Step 3: Cross multiply
476,137.26x = 657,069.06 × 272,192.67 - Step 4: Simplify right side
476,137.26x = 178,849,381,815.79 - Step 5: Solve for x
x = 178,849,381,815.79/476,137.26 - Step 6: Final answer
x = 375,625.68
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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.