Finding the Fourth Proportional to 616,943.34, 851,375.88 and 345,008.16
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Solution
The fourth proportional to 616,943.34, 851,375.88 and 345,008.16 is: 476,107.95
Step by Step Solution
- Step 1: Write the proportion equation
616,943.34 : 851,375.88 = 345,008.16 : x - Step 2: Convert to fraction form
616,943.34/851,375.88 = 345,008.16/x - Step 3: Cross multiply
616,943.34x = 851,375.88 × 345,008.16 - Step 4: Simplify right side
616,943.34x = 293,731,625,827.18 - Step 5: Solve for x
x = 293,731,625,827.18/616,943.34 - Step 6: Final answer
x = 476,107.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.