Finding the Fourth Proportional to 478,016.79, 717,468.26 and 241,525.68
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Solution
The fourth proportional to 478,016.79, 717,468.26 and 241,525.68 is: 362,512.39
Step by Step Solution
- Step 1: Write the proportion equation
478,016.79 : 717,468.26 = 241,525.68 : x - Step 2: Convert to fraction form
478,016.79/717,468.26 = 241,525.68/x - Step 3: Cross multiply
478,016.79x = 717,468.26 × 241,525.68 - Step 4: Simplify right side
478,016.79x = 173,287,008,167.29 - Step 5: Solve for x
x = 173,287,008,167.29/478,016.79 - Step 6: Final answer
x = 362,512.39
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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.