Finding the Fourth Proportional to 260,021.70, 364,817.70 and 260,021.70
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Solution
The fourth proportional to 260,021.70, 364,817.70 and 260,021.70 is: 364,817.70
Step by Step Solution
- Step 1: Write the proportion equation
260,021.70 : 364,817.70 = 260,021.70 : x - Step 2: Convert to fraction form
260,021.70/364,817.70 = 260,021.70/x - Step 3: Cross multiply
260,021.70x = 364,817.70 × 260,021.70 - Step 4: Simplify right side
260,021.70x = 94,860,518,544.09 - Step 5: Solve for x
x = 94,860,518,544.09/260,021.70 - Step 6: Final answer
x = 364,817.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.