Finding the Fourth Proportional to 589,529.88, 884,208.69 and 289,930.05
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Solution
The fourth proportional to 589,529.88, 884,208.69 and 289,930.05 is: 434,852.72
Step by Step Solution
- Step 1: Write the proportion equation
589,529.88 : 884,208.69 = 289,930.05 : x - Step 2: Convert to fraction form
589,529.88/884,208.69 = 289,930.05/x - Step 3: Cross multiply
589,529.88x = 884,208.69 × 289,930.05 - Step 4: Simplify right side
589,529.88x = 256,358,669,702.13 - Step 5: Solve for x
x = 256,358,669,702.13/589,529.88 - Step 6: Final answer
x = 434,852.72
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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.