Finding the Fourth Proportional to 292,525.28, 438,456.12 and 134,427.08
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Solution
The fourth proportional to 292,525.28, 438,456.12 and 134,427.08 is: 201,488.14
Step by Step Solution
- Step 1: Write the proportion equation
292,525.28 : 438,456.12 = 134,427.08 : x - Step 2: Convert to fraction form
292,525.28/438,456.12 = 134,427.08/x - Step 3: Cross multiply
292,525.28x = 438,456.12 × 134,427.08 - Step 4: Simplify right side
292,525.28x = 58,940,375,919.73 - Step 5: Solve for x
x = 58,940,375,919.73/292,525.28 - Step 6: Final answer
x = 201,488.14
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1.5x scale
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.