Finding the Fourth Proportional to 526,818.11, 727,010.29 and 285,102.44
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Solution
The fourth proportional to 526,818.11, 727,010.29 and 285,102.44 is: 393,442.07
Step by Step Solution
- Step 1: Write the proportion equation
526,818.11 : 727,010.29 = 285,102.44 : x - Step 2: Convert to fraction form
526,818.11/727,010.29 = 285,102.44/x - Step 3: Cross multiply
526,818.11x = 727,010.29 × 285,102.44 - Step 4: Simplify right side
526,818.11x = 207,272,406,158.60 - Step 5: Solve for x
x = 207,272,406,158.60/526,818.11 - Step 6: Final answer
x = 393,442.07
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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.