Finding the Fourth Proportional to 336,378.48, 464,269.56 and 193,236.72
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Solution
The fourth proportional to 336,378.48, 464,269.56 and 193,236.72 is: 266,705.31
Step by Step Solution
- Step 1: Write the proportion equation
336,378.48 : 464,269.56 = 193,236.72 : x - Step 2: Convert to fraction form
336,378.48/464,269.56 = 193,236.72/x - Step 3: Cross multiply
336,378.48x = 464,269.56 × 193,236.72 - Step 4: Simplify right side
336,378.48x = 89,713,926,970.24 - Step 5: Solve for x
x = 89,713,926,970.24/336,378.48 - Step 6: Final answer
x = 266,705.31
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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.