Finding the Fourth Proportional to 592,896.30, 818,196.71 and 320,963.99
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Solution
The fourth proportional to 592,896.30, 818,196.71 and 320,963.99 is: 442,930.21
Step by Step Solution
- Step 1: Write the proportion equation
592,896.30 : 818,196.71 = 320,963.99 : x - Step 2: Convert to fraction form
592,896.30/818,196.71 = 320,963.99/x - Step 3: Cross multiply
592,896.30x = 818,196.71 × 320,963.99 - Step 4: Simplify right side
592,896.30x = 262,611,680,646.47 - Step 5: Solve for x
x = 262,611,680,646.47/592,896.30 - Step 6: Final answer
x = 442,930.21
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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.