Finding the Fourth Proportional to 374,391.36, 561,685.56 and 134,529.48
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Solution
The fourth proportional to 374,391.36, 561,685.56 and 134,529.48 is: 201,829.62
Step by Step Solution
- Step 1: Write the proportion equation
374,391.36 : 561,685.56 = 134,529.48 : x - Step 2: Convert to fraction form
374,391.36/561,685.56 = 134,529.48/x - Step 3: Cross multiply
374,391.36x = 561,685.56 × 134,529.48 - Step 4: Simplify right side
374,391.36x = 75,563,266,310.31 - Step 5: Solve for x
x = 75,563,266,310.31/374,391.36 - Step 6: Final answer
x = 201,829.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.