Finding the Fourth Proportional to 624,129.70, 936,194.55 and 624,129.70
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Solution
The fourth proportional to 624,129.70, 936,194.55 and 624,129.70 is: 936,194.55
Step by Step Solution
- Step 1: Write the proportion equation
624,129.70 : 936,194.55 = 624,129.70 : x - Step 2: Convert to fraction form
624,129.70/936,194.55 = 624,129.70/x - Step 3: Cross multiply
624,129.70x = 936,194.55 × 624,129.70 - Step 4: Simplify right side
624,129.70x = 584,306,823,633.14 - Step 5: Solve for x
x = 584,306,823,633.14/624,129.70 - Step 6: Final answer
x = 936,194.55
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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.