Finding the Fourth Proportional to 264,248.19, 396,322.46 and 74,707.05
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Solution
The fourth proportional to 264,248.19, 396,322.46 and 74,707.05 is: 112,046.49
Step by Step Solution
- Step 1: Write the proportion equation
264,248.19 : 396,322.46 = 74,707.05 : x - Step 2: Convert to fraction form
264,248.19/396,322.46 = 74,707.05/x - Step 3: Cross multiply
264,248.19x = 396,322.46 × 74,707.05 - Step 4: Simplify right side
264,248.19x = 29,608,081,461.81 - Step 5: Solve for x
x = 29,608,081,461.81/264,248.19 - Step 6: Final answer
x = 112,046.49
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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.