Finding the Fourth Proportional to 633,555.36, 874,297.44 and 347,077.44
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Solution
The fourth proportional to 633,555.36, 874,297.44 and 347,077.44 is: 478,961.96
Step by Step Solution
- Step 1: Write the proportion equation
633,555.36 : 874,297.44 = 347,077.44 : x - Step 2: Convert to fraction form
633,555.36/874,297.44 = 347,077.44/x - Step 3: Cross multiply
633,555.36x = 874,297.44 × 347,077.44 - Step 4: Simplify right side
633,555.36x = 303,448,917,273.75 - Step 5: Solve for x
x = 303,448,917,273.75/633,555.36 - Step 6: Final answer
x = 478,961.96
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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.