Finding the Fourth Proportional to 622,080.12, 933,109.02 and 201,356.40
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Solution
The fourth proportional to 622,080.12, 933,109.02 and 201,356.40 is: 302,030.99
Step by Step Solution
- Step 1: Write the proportion equation
622,080.12 : 933,109.02 = 201,356.40 : x - Step 2: Convert to fraction form
622,080.12/933,109.02 = 201,356.40/x - Step 3: Cross multiply
622,080.12x = 933,109.02 × 201,356.40 - Step 4: Simplify right side
622,080.12x = 187,887,473,074.73 - Step 5: Solve for x
x = 187,887,473,074.73/622,080.12 - Step 6: Final answer
x = 302,030.99
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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.