Finding the Fourth Proportional to 527,484.58, 791,226.88 and 128,122.66
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Solution
The fourth proportional to 527,484.58, 791,226.88 and 128,122.66 is: 192,183.99
Step by Step Solution
- Step 1: Write the proportion equation
527,484.58 : 791,226.88 = 128,122.66 : x - Step 2: Convert to fraction form
527,484.58/791,226.88 = 128,122.66/x - Step 3: Cross multiply
527,484.58x = 791,226.88 × 128,122.66 - Step 4: Simplify right side
527,484.58x = 101,374,091,332.85 - Step 5: Solve for x
x = 101,374,091,332.85/527,484.58 - Step 6: Final answer
x = 192,183.99
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Similar ratio
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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.