Finding the Fourth Proportional to 370,404.05, 555,548.15 and 117,651.26
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Solution
The fourth proportional to 370,404.05, 555,548.15 and 117,651.26 is: 176,458.50
Step by Step Solution
- Step 1: Write the proportion equation
370,404.05 : 555,548.15 = 117,651.26 : x - Step 2: Convert to fraction form
370,404.05/555,548.15 = 117,651.26/x - Step 3: Cross multiply
370,404.05x = 555,548.15 × 117,651.26 - Step 4: Simplify right side
370,404.05x = 65,360,941,521.17 - Step 5: Solve for x
x = 65,360,941,521.17/370,404.05 - Step 6: Final answer
x = 176,458.50
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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.