Finding the Fourth Proportional to 621,251.09, 931,888.29 and 194,777.46
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Solution
The fourth proportional to 621,251.09, 931,888.29 and 194,777.46 is: 292,169.84
Step by Step Solution
- Step 1: Write the proportion equation
621,251.09 : 931,888.29 = 194,777.46 : x - Step 2: Convert to fraction form
621,251.09/931,888.29 = 194,777.46/x - Step 3: Cross multiply
621,251.09x = 931,888.29 × 194,777.46 - Step 4: Simplify right side
621,251.09x = 181,510,831,365.78 - Step 5: Solve for x
x = 181,510,831,365.78/621,251.09 - Step 6: Final answer
x = 292,169.84
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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.