Finding the Fourth Proportional to 411,418.04, 616,905.17 and 186,655.84
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Solution
The fourth proportional to 411,418.04, 616,905.17 and 186,655.84 is: 279,883.09
Step by Step Solution
- Step 1: Write the proportion equation
411,418.04 : 616,905.17 = 186,655.84 : x - Step 2: Convert to fraction form
411,418.04/616,905.17 = 186,655.84/x - Step 3: Cross multiply
411,418.04x = 616,905.17 × 186,655.84 - Step 4: Simplify right side
411,418.04x = 115,148,950,231.15 - Step 5: Solve for x
x = 115,148,950,231.15/411,418.04 - Step 6: Final answer
x = 279,883.09
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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.