Finding the Fourth Proportional to 343,437.51, 473,531.90 and 222,534.68
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Solution
The fourth proportional to 343,437.51, 473,531.90 and 222,534.68 is: 306,830.99
Step by Step Solution
- Step 1: Write the proportion equation
343,437.51 : 473,531.90 = 222,534.68 : x - Step 2: Convert to fraction form
343,437.51/473,531.90 = 222,534.68/x - Step 3: Cross multiply
343,437.51x = 473,531.90 × 222,534.68 - Step 4: Simplify right side
343,437.51x = 105,377,269,836.29 - Step 5: Solve for x
x = 105,377,269,836.29/343,437.51 - Step 6: Final answer
x = 306,830.99
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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.