Finding the Fourth Proportional to 758,260.58, 1,136,581.61 and 378,433.35
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Solution
The fourth proportional to 758,260.58, 1,136,581.61 and 378,433.35 is: 567,246.14
Step by Step Solution
- Step 1: Write the proportion equation
758,260.58 : 1,136,581.61 = 378,433.35 : x - Step 2: Convert to fraction form
758,260.58/1,136,581.61 = 378,433.35/x - Step 3: Cross multiply
758,260.58x = 1,136,581.61 × 378,433.35 - Step 4: Simplify right side
758,260.58x = 430,120,384,328.53 - Step 5: Solve for x
x = 430,120,384,328.53/758,260.58 - Step 6: Final answer
x = 567,246.14
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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.