Finding the Fourth Proportional to 527,213.16, 790,656.18 and 190,210.01
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Solution
The fourth proportional to 527,213.16, 790,656.18 and 190,210.01 is: 285,256.00
Step by Step Solution
- Step 1: Write the proportion equation
527,213.16 : 790,656.18 = 190,210.01 : x - Step 2: Convert to fraction form
527,213.16/790,656.18 = 190,210.01/x - Step 3: Cross multiply
527,213.16x = 790,656.18 × 190,210.01 - Step 4: Simplify right side
527,213.16x = 150,390,715,951.08 - Step 5: Solve for x
x = 150,390,715,951.08/527,213.16 - Step 6: Final answer
x = 285,256.00
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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.