Finding the Fourth Proportional to 748,911, 1,123,366.50 and 250,275
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Solution
The fourth proportional to 748,911, 1,123,366.50 and 250,275 is: 375,412.50
Step by Step Solution
- Step 1: Write the proportion equation
748,911 : 1,123,366.50 = 250,275 : x - Step 2: Convert to fraction form
748,911/1,123,366.50 = 250,275/x - Step 3: Cross multiply
748,911x = 1,123,366.50 × 250,275 - Step 4: Simplify right side
748,911x = 281,150,550,787.50 - Step 5: Solve for x
x = 281,150,550,787.50/748,911 - Step 6: Final answer
x = 375,412.50
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Double scale
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Similar ratio
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1.5x scale
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.