Finding the Fourth Proportional to 374,600.99, 516,243.09 and 271,059.95
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Solution
The fourth proportional to 374,600.99, 516,243.09 and 271,059.95 is: 373,551.68
Step by Step Solution
- Step 1: Write the proportion equation
374,600.99 : 516,243.09 = 271,059.95 : x - Step 2: Convert to fraction form
374,600.99/516,243.09 = 271,059.95/x - Step 3: Cross multiply
374,600.99x = 516,243.09 × 271,059.95 - Step 4: Simplify right side
374,600.99x = 139,932,828,470.33 - Step 5: Solve for x
x = 139,932,828,470.33/374,600.99 - Step 6: Final answer
x = 373,551.68
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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.