Finding the Fourth Proportional to 495.10, 742.50 and 462.76
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Solution
The fourth proportional to 495.10, 742.50 and 462.76 is: 694.00
Step by Step Solution
- Step 1: Write the proportion equation
495.10 : 742.50 = 462.76 : x - Step 2: Convert to fraction form
495.10/742.50 = 462.76/x - Step 3: Cross multiply
495.10x = 742.50 × 462.76 - Step 4: Simplify right side
495.10x = 343,599.30 - Step 5: Solve for x
x = 343,599.30/495.10 - Step 6: Final answer
x = 694.00
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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.