Finding the Fourth Proportional to 691,177.24, 953,709.05 and 385,186.58
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Solution
The fourth proportional to 691,177.24, 953,709.05 and 385,186.58 is: 531,493.09
Step by Step Solution
- Step 1: Write the proportion equation
691,177.24 : 953,709.05 = 385,186.58 : x - Step 2: Convert to fraction form
691,177.24/953,709.05 = 385,186.58/x - Step 3: Cross multiply
691,177.24x = 953,709.05 × 385,186.58 - Step 4: Simplify right side
691,177.24x = 367,355,927,284.55 - Step 5: Solve for x
x = 367,355,927,284.55/691,177.24 - Step 6: Final answer
x = 531,493.09
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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.