Finding the Fourth Proportional to 676,257.96, 933,224.58 and 374,445.48
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Solution
The fourth proportional to 676,257.96, 933,224.58 and 374,445.48 is: 516,728.45
Step by Step Solution
- Step 1: Write the proportion equation
676,257.96 : 933,224.58 = 374,445.48 : x - Step 2: Convert to fraction form
676,257.96/933,224.58 = 374,445.48/x - Step 3: Cross multiply
676,257.96x = 933,224.58 × 374,445.48 - Step 4: Simplify right side
676,257.96x = 349,441,725,805.90 - Step 5: Solve for x
x = 349,441,725,805.90/676,257.96 - Step 6: Final answer
x = 516,728.45
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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.