Finding the Fourth Proportional to 589,235.05, 813,121.41 and 360,175.84
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Solution
The fourth proportional to 589,235.05, 813,121.41 and 360,175.84 is: 497,028.63
Step by Step Solution
- Step 1: Write the proportion equation
589,235.05 : 813,121.41 = 360,175.84 : x - Step 2: Convert to fraction form
589,235.05/813,121.41 = 360,175.84/x - Step 3: Cross multiply
589,235.05x = 813,121.41 × 360,175.84 - Step 4: Simplify right side
589,235.05x = 292,866,686,868.73 - Step 5: Solve for x
x = 292,866,686,868.73/589,235.05 - Step 6: Final answer
x = 497,028.63
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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.