Finding the Fourth Proportional to 406,670.24, 561,195.36 and 236,893.40
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Solution
The fourth proportional to 406,670.24, 561,195.36 and 236,893.40 is: 326,907.32
Step by Step Solution
- Step 1: Write the proportion equation
406,670.24 : 561,195.36 = 236,893.40 : x - Step 2: Convert to fraction form
406,670.24/561,195.36 = 236,893.40/x - Step 3: Cross multiply
406,670.24x = 561,195.36 × 236,893.40 - Step 4: Simplify right side
406,670.24x = 132,943,476,894.62 - Step 5: Solve for x
x = 132,943,476,894.62/406,670.24 - Step 6: Final answer
x = 326,907.32
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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.