Finding the Fourth Proportional to 292,873.48, 438,912.74 and 132,749.44
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Solution
The fourth proportional to 292,873.48, 438,912.74 and 132,749.44 is: 198,944.00
Step by Step Solution
- Step 1: Write the proportion equation
292,873.48 : 438,912.74 = 132,749.44 : x - Step 2: Convert to fraction form
292,873.48/438,912.74 = 132,749.44/x - Step 3: Cross multiply
292,873.48x = 438,912.74 × 132,749.44 - Step 4: Simplify right side
292,873.48x = 58,265,420,443.87 - Step 5: Solve for x
x = 58,265,420,443.87/292,873.48 - Step 6: Final answer
x = 198,944.00
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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.