Finding the Fourth Proportional to 322,415.80, 483,623.70 and 322,415.80
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Solution
The fourth proportional to 322,415.80, 483,623.70 and 322,415.80 is: 483,623.70
Step by Step Solution
- Step 1: Write the proportion equation
322,415.80 : 483,623.70 = 322,415.80 : x - Step 2: Convert to fraction form
322,415.80/483,623.70 = 322,415.80/x - Step 3: Cross multiply
322,415.80x = 483,623.70 × 322,415.80 - Step 4: Simplify right side
322,415.80x = 155,927,922,134.46 - Step 5: Solve for x
x = 155,927,922,134.46/322,415.80 - Step 6: Final answer
x = 483,623.70
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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.