Finding the Fourth Proportional to 676,278, 933,331.68 and 374,472
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Solution
The fourth proportional to 676,278, 933,331.68 and 374,472 is: 516,809.04
Step by Step Solution
- Step 1: Write the proportion equation
676,278 : 933,331.68 = 374,472 : x - Step 2: Convert to fraction form
676,278/933,331.68 = 374,472/x - Step 3: Cross multiply
676,278x = 933,331.68 × 374,472 - Step 4: Simplify right side
676,278x = 349,506,580,872.96 - Step 5: Solve for x
x = 349,506,580,872.96/676,278 - Step 6: Final answer
x = 516,809.04
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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.