Finding the Fourth Proportional to 313,261.48, 432,197.94 and 177,281.92
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Solution
The fourth proportional to 313,261.48, 432,197.94 and 177,281.92 is: 244,590.81
Step by Step Solution
- Step 1: Write the proportion equation
313,261.48 : 432,197.94 = 177,281.92 : x - Step 2: Convert to fraction form
313,261.48/432,197.94 = 177,281.92/x - Step 3: Cross multiply
313,261.48x = 432,197.94 × 177,281.92 - Step 4: Simplify right side
313,261.48x = 76,620,880,623.24 - Step 5: Solve for x
x = 76,620,880,623.24/313,261.48 - Step 6: Final answer
x = 244,590.81
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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.