Finding the Fourth Proportional to 476,894.17, 715,338.41 and 121,907.62
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Solution
The fourth proportional to 476,894.17, 715,338.41 and 121,907.62 is: 182,860.70
Step by Step Solution
- Step 1: Write the proportion equation
476,894.17 : 715,338.41 = 121,907.62 : x - Step 2: Convert to fraction form
476,894.17/715,338.41 = 121,907.62/x - Step 3: Cross multiply
476,894.17x = 715,338.41 × 121,907.62 - Step 4: Simplify right side
476,894.17x = 87,205,198,871.45 - Step 5: Solve for x
x = 87,205,198,871.45/476,894.17 - Step 6: Final answer
x = 182,860.70
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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.