Finding the Fourth Proportional to 502,023.06, 692,800.29 and 275,689.62
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Solution
The fourth proportional to 502,023.06, 692,800.29 and 275,689.62 is: 380,456.33
Step by Step Solution
- Step 1: Write the proportion equation
502,023.06 : 692,800.29 = 275,689.62 : x - Step 2: Convert to fraction form
502,023.06/692,800.29 = 275,689.62/x - Step 3: Cross multiply
502,023.06x = 692,800.29 × 275,689.62 - Step 4: Simplify right side
502,023.06x = 190,997,848,685.99 - Step 5: Solve for x
x = 190,997,848,685.99/502,023.06 - Step 6: Final answer
x = 380,456.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.