Finding the Fourth Proportional to 363,140.40, 544,725.20 and 126,507
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Solution
The fourth proportional to 363,140.40, 544,725.20 and 126,507 is: 189,765.59
Step by Step Solution
- Step 1: Write the proportion equation
363,140.40 : 544,725.20 = 126,507 : x - Step 2: Convert to fraction form
363,140.40/544,725.20 = 126,507/x - Step 3: Cross multiply
363,140.40x = 544,725.20 × 126,507 - Step 4: Simplify right side
363,140.40x = 68,911,550,876.40 - Step 5: Solve for x
x = 68,911,550,876.40/363,140.40 - Step 6: Final answer
x = 189,765.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.