Finding the Fourth Proportional to 633,371.68, 874,115.45 and 361,480.19
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Solution
The fourth proportional to 633,371.68, 874,115.45 and 361,480.19 is: 498,878.35
Step by Step Solution
- Step 1: Write the proportion equation
633,371.68 : 874,115.45 = 361,480.19 : x - Step 2: Convert to fraction form
633,371.68/874,115.45 = 361,480.19/x - Step 3: Cross multiply
633,371.68x = 874,115.45 × 361,480.19 - Step 4: Simplify right side
633,371.68x = 315,975,418,947.94 - Step 5: Solve for x
x = 315,975,418,947.94/633,371.68 - Step 6: Final answer
x = 498,878.35
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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.