Finding the Fourth Proportional to 295,669.20, 442,847.70 and 243,181.20
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Solution
The fourth proportional to 295,669.20, 442,847.70 and 243,181.20 is: 364,232.17
Step by Step Solution
- Step 1: Write the proportion equation
295,669.20 : 442,847.70 = 243,181.20 : x - Step 2: Convert to fraction form
295,669.20/442,847.70 = 243,181.20/x - Step 3: Cross multiply
295,669.20x = 442,847.70 × 243,181.20 - Step 4: Simplify right side
295,669.20x = 107,692,235,103.24 - Step 5: Solve for x
x = 107,692,235,103.24/295,669.20 - Step 6: Final answer
x = 364,232.17
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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.