Finding the Fourth Proportional to 523,361.12, 722,236.30 and 293,886.48
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Solution
The fourth proportional to 523,361.12, 722,236.30 and 293,886.48 is: 405,562.19
Step by Step Solution
- Step 1: Write the proportion equation
523,361.12 : 722,236.30 = 293,886.48 : x - Step 2: Convert to fraction form
523,361.12/722,236.30 = 293,886.48/x - Step 3: Cross multiply
523,361.12x = 722,236.30 × 293,886.48 - Step 4: Simplify right side
523,361.12x = 212,255,483,935.22 - Step 5: Solve for x
x = 212,255,483,935.22/523,361.12 - Step 6: Final answer
x = 405,562.19
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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.