Finding the Fourth Proportional to 608,194.13, 839,222.12 and 349,972.88
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Solution
The fourth proportional to 608,194.13, 839,222.12 and 349,972.88 is: 482,913.21
Step by Step Solution
- Step 1: Write the proportion equation
608,194.13 : 839,222.12 = 349,972.88 : x - Step 2: Convert to fraction form
608,194.13/839,222.12 = 349,972.88/x - Step 3: Cross multiply
608,194.13x = 839,222.12 × 349,972.88 - Step 4: Simplify right side
608,194.13x = 293,704,980,546.24 - Step 5: Solve for x
x = 293,704,980,546.24/608,194.13 - Step 6: Final answer
x = 482,913.21
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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.