Finding the Fourth Proportional to 531,721.12, 795,708.12 and 332,135.50
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Solution
The fourth proportional to 531,721.12, 795,708.12 and 332,135.50 is: 497,032.95
Step by Step Solution
- Step 1: Write the proportion equation
531,721.12 : 795,708.12 = 332,135.50 : x - Step 2: Convert to fraction form
531,721.12/795,708.12 = 332,135.50/x - Step 3: Cross multiply
531,721.12x = 795,708.12 × 332,135.50 - Step 4: Simplify right side
531,721.12x = 264,282,914,290.26 - Step 5: Solve for x
x = 264,282,914,290.26/531,721.12 - Step 6: Final answer
x = 497,032.95
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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.