Finding the Fourth Proportional to 440,743.68, 608,224.14 and 239,539.68
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Solution
The fourth proportional to 440,743.68, 608,224.14 and 239,539.68 is: 330,563.60
Step by Step Solution
- Step 1: Write the proportion equation
440,743.68 : 608,224.14 = 239,539.68 : x - Step 2: Convert to fraction form
440,743.68/608,224.14 = 239,539.68/x - Step 3: Cross multiply
440,743.68x = 608,224.14 × 239,539.68 - Step 4: Simplify right side
440,743.68x = 145,693,815,863.88 - Step 5: Solve for x
x = 145,693,815,863.88/440,743.68 - Step 6: Final answer
x = 330,563.60
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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.