Finding the Fourth Proportional to 467,133.66, 644,644.42 and 252,273.70
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Solution
The fourth proportional to 467,133.66, 644,644.42 and 252,273.70 is: 348,137.68
Step by Step Solution
- Step 1: Write the proportion equation
467,133.66 : 644,644.42 = 252,273.70 : x - Step 2: Convert to fraction form
467,133.66/644,644.42 = 252,273.70/x - Step 3: Cross multiply
467,133.66x = 644,644.42 × 252,273.70 - Step 4: Simplify right side
467,133.66x = 162,626,828,533.16 - Step 5: Solve for x
x = 162,626,828,533.16/467,133.66 - Step 6: Final answer
x = 348,137.68
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1.5x scale
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.