Finding the Fourth Proportional to 740,044.75, 1,110,242.64 and 241,408.75
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Solution
The fourth proportional to 740,044.75, 1,110,242.64 and 241,408.75 is: 362,170.38
Step by Step Solution
- Step 1: Write the proportion equation
740,044.75 : 1,110,242.64 = 241,408.75 : x - Step 2: Convert to fraction form
740,044.75/1,110,242.64 = 241,408.75/x - Step 3: Cross multiply
740,044.75x = 1,110,242.64 × 241,408.75 - Step 4: Simplify right side
740,044.75x = 268,022,287,919.10 - Step 5: Solve for x
x = 268,022,287,919.10/740,044.75 - Step 6: Final answer
x = 362,170.38
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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.