Finding the Fourth Proportional to 334,461.20, 461,449.07 and 187,264.41
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Solution
The fourth proportional to 334,461.20, 461,449.07 and 187,264.41 is: 258,364.75
Step by Step Solution
- Step 1: Write the proportion equation
334,461.20 : 461,449.07 = 187,264.41 : x - Step 2: Convert to fraction form
334,461.20/461,449.07 = 187,264.41/x - Step 3: Cross multiply
334,461.20x = 461,449.07 × 187,264.41 - Step 4: Simplify right side
334,461.20x = 86,412,985,874.08 - Step 5: Solve for x
x = 86,412,985,874.08/334,461.20 - Step 6: Final answer
x = 258,364.75
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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.