Finding the Fourth Proportional to 633,435.24, 874,147.86 and 361,539.84
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Solution
The fourth proportional to 633,435.24, 874,147.86 and 361,539.84 is: 498,929.11
Step by Step Solution
- Step 1: Write the proportion equation
633,435.24 : 874,147.86 = 361,539.84 : x - Step 2: Convert to fraction form
633,435.24/874,147.86 = 361,539.84/x - Step 3: Cross multiply
633,435.24x = 874,147.86 × 361,539.84 - Step 4: Simplify right side
633,435.24x = 316,039,277,440.74 - Step 5: Solve for x
x = 316,039,277,440.74/633,435.24 - Step 6: Final answer
x = 498,929.11
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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.