Finding the Fourth Proportional to 368,678.66, 508,514.36 and 246,109.32
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Solution
The fourth proportional to 368,678.66, 508,514.36 and 246,109.32 is: 339,455.84
Step by Step Solution
- Step 1: Write the proportion equation
368,678.66 : 508,514.36 = 246,109.32 : x - Step 2: Convert to fraction form
368,678.66/508,514.36 = 246,109.32/x - Step 3: Cross multiply
368,678.66x = 508,514.36 × 246,109.32 - Step 4: Simplify right side
368,678.66x = 125,150,122,119.29 - Step 5: Solve for x
x = 125,150,122,119.29/368,678.66 - Step 6: Final answer
x = 339,455.84
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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.