Finding the Fourth Proportional to 416,985.48, 625,514.94 and 117,468.54
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Solution
The fourth proportional to 416,985.48, 625,514.94 and 117,468.54 is: 176,213.15
Step by Step Solution
- Step 1: Write the proportion equation
416,985.48 : 625,514.94 = 117,468.54 : x - Step 2: Convert to fraction form
416,985.48/625,514.94 = 117,468.54/x - Step 3: Cross multiply
416,985.48x = 625,514.94 × 117,468.54 - Step 4: Simplify right side
416,985.48x = 73,478,326,749.99 - Step 5: Solve for x
x = 73,478,326,749.99/416,985.48 - Step 6: Final answer
x = 176,213.15
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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.