Finding the Fourth Proportional to 416,622.60, 574,708.99 and 339,181.55
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Solution
The fourth proportional to 416,622.60, 574,708.99 and 339,181.55 is: 467,883.13
Step by Step Solution
- Step 1: Write the proportion equation
416,622.60 : 574,708.99 = 339,181.55 : x - Step 2: Convert to fraction form
416,622.60/574,708.99 = 339,181.55/x - Step 3: Cross multiply
416,622.60x = 574,708.99 × 339,181.55 - Step 4: Simplify right side
416,622.60x = 194,930,684,331.23 - Step 5: Solve for x
x = 194,930,684,331.23/416,622.60 - Step 6: Final answer
x = 467,883.13
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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.