Finding the Fourth Proportional to 294,461.20, 441,691.80 and 201,149.20
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Solution
The fourth proportional to 294,461.20, 441,691.80 and 201,149.20 is: 301,723.80
Step by Step Solution
- Step 1: Write the proportion equation
294,461.20 : 441,691.80 = 201,149.20 : x - Step 2: Convert to fraction form
294,461.20/441,691.80 = 201,149.20/x - Step 3: Cross multiply
294,461.20x = 441,691.80 × 201,149.20 - Step 4: Simplify right side
294,461.20x = 88,845,952,216.56 - Step 5: Solve for x
x = 88,845,952,216.56/294,461.20 - Step 6: Final answer
x = 301,723.80
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1.5x scale
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.