Finding the Fourth Proportional to 540,848.20, 811,349.10 and 166,832.20
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Solution
The fourth proportional to 540,848.20, 811,349.10 and 166,832.20 is: 250,271.99
Step by Step Solution
- Step 1: Write the proportion equation
540,848.20 : 811,349.10 = 166,832.20 : x - Step 2: Convert to fraction form
540,848.20/811,349.10 = 166,832.20/x - Step 3: Cross multiply
540,848.20x = 811,349.10 × 166,832.20 - Step 4: Simplify right side
540,848.20x = 135,359,155,321.02 - Step 5: Solve for x
x = 135,359,155,321.02/540,848.20 - Step 6: Final answer
x = 250,271.99
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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.