Finding the Fourth Proportional to 446.39, 616.01 and 247.24
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Solution
The fourth proportional to 446.39, 616.01 and 247.24 is: 341.18
Step by Step Solution
- Step 1: Write the proportion equation
446.39 : 616.01 = 247.24 : x - Step 2: Convert to fraction form
446.39/616.01 = 247.24/x - Step 3: Cross multiply
446.39x = 616.01 × 247.24 - Step 4: Simplify right side
446.39x = 152,298.00 - Step 5: Solve for x
x = 152,298.00/446.39 - Step 6: Final answer
x = 341.18
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.