Finding the Fourth Proportional to 588,743.70, 883,115.55 and 145,511.70
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Solution
The fourth proportional to 588,743.70, 883,115.55 and 145,511.70 is: 218,267.55
Step by Step Solution
- Step 1: Write the proportion equation
588,743.70 : 883,115.55 = 145,511.70 : x - Step 2: Convert to fraction form
588,743.70/883,115.55 = 145,511.70/x - Step 3: Cross multiply
588,743.70x = 883,115.55 × 145,511.70 - Step 4: Simplify right side
588,743.70x = 128,503,644,976.94 - Step 5: Solve for x
x = 128,503,644,976.94/588,743.70 - Step 6: Final answer
x = 218,267.55
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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.