Finding the Fourth Proportional to 264,235.73, 396,366.93 and 74,709.71
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Solution
The fourth proportional to 264,235.73, 396,366.93 and 74,709.71 is: 112,068.33
Step by Step Solution
- Step 1: Write the proportion equation
264,235.73 : 396,366.93 = 74,709.71 : x - Step 2: Convert to fraction form
264,235.73/396,366.93 = 74,709.71/x - Step 3: Cross multiply
264,235.73x = 396,366.93 × 74,709.71 - Step 4: Simplify right side
264,235.73x = 29,612,456,412.06 - Step 5: Solve for x
x = 29,612,456,412.06/264,235.73 - Step 6: Final answer
x = 112,068.33
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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.