Finding the Fourth Proportional to 524,015.21, 785,462.14 and 271,040.97
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Solution
The fourth proportional to 524,015.21, 785,462.14 and 271,040.97 is: 406,271.45
Step by Step Solution
- Step 1: Write the proportion equation
524,015.21 : 785,462.14 = 271,040.97 : x - Step 2: Convert to fraction form
524,015.21/785,462.14 = 271,040.97/x - Step 3: Cross multiply
524,015.21x = 785,462.14 × 271,040.97 - Step 4: Simplify right side
524,015.21x = 212,892,420,323.88 - Step 5: Solve for x
x = 212,892,420,323.88/524,015.21 - Step 6: Final answer
x = 406,271.45
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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.