Finding the Fourth Proportional to 416,539.56, 574,827.36 and 225,552.95
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Solution
The fourth proportional to 416,539.56, 574,827.36 and 225,552.95 is: 311,264.57
Step by Step Solution
- Step 1: Write the proportion equation
416,539.56 : 574,827.36 = 225,552.95 : x - Step 2: Convert to fraction form
416,539.56/574,827.36 = 225,552.95/x - Step 3: Cross multiply
416,539.56x = 574,827.36 × 225,552.95 - Step 4: Simplify right side
416,539.56x = 129,654,009,092.13 - Step 5: Solve for x
x = 129,654,009,092.13/416,539.56 - Step 6: Final answer
x = 311,264.57
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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.