Finding the Fourth Proportional to 427,623.30, 590,080.08 and 255,507
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Solution
The fourth proportional to 427,623.30, 590,080.08 and 255,507 is: 352,575.72
Step by Step Solution
- Step 1: Write the proportion equation
427,623.30 : 590,080.08 = 255,507 : x - Step 2: Convert to fraction form
427,623.30/590,080.08 = 255,507/x - Step 3: Cross multiply
427,623.30x = 590,080.08 × 255,507 - Step 4: Simplify right side
427,623.30x = 150,769,591,000.56 - Step 5: Solve for x
x = 150,769,591,000.56/427,623.30 - Step 6: Final answer
x = 352,575.72
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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.