Finding the Fourth Proportional to 327,254.99, 490,888.56 and 102,610.40
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Solution
The fourth proportional to 327,254.99, 490,888.56 and 102,610.40 is: 153,917.50
Step by Step Solution
- Step 1: Write the proportion equation
327,254.99 : 490,888.56 = 102,610.40 : x - Step 2: Convert to fraction form
327,254.99/490,888.56 = 102,610.40/x - Step 3: Cross multiply
327,254.99x = 490,888.56 × 102,610.40 - Step 4: Simplify right side
327,254.99x = 50,370,271,497.02 - Step 5: Solve for x
x = 50,370,271,497.02/327,254.99 - Step 6: Final answer
x = 153,917.50
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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.