Finding the Fourth Proportional to 589,434.42, 884,157.70 and 471,853.20
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Solution
The fourth proportional to 589,434.42, 884,157.70 and 471,853.20 is: 707,784.66
Step by Step Solution
- Step 1: Write the proportion equation
589,434.42 : 884,157.70 = 471,853.20 : x - Step 2: Convert to fraction form
589,434.42/884,157.70 = 471,853.20/x - Step 3: Cross multiply
589,434.42x = 884,157.70 × 471,853.20 - Step 4: Simplify right side
589,434.42x = 417,192,640,049.64 - Step 5: Solve for x
x = 417,192,640,049.64/589,434.42 - Step 6: Final answer
x = 707,784.66
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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.