Finding the Fourth Proportional to 545,908.01, 753,409.12 and 328,187.17
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Solution
The fourth proportional to 545,908.01, 753,409.12 and 328,187.17 is: 452,931.99
Step by Step Solution
- Step 1: Write the proportion equation
545,908.01 : 753,409.12 = 328,187.17 : x - Step 2: Convert to fraction form
545,908.01/753,409.12 = 328,187.17/x - Step 3: Cross multiply
545,908.01x = 753,409.12 × 328,187.17 - Step 4: Simplify right side
545,908.01x = 247,259,204,241.00 - Step 5: Solve for x
x = 247,259,204,241.00/545,908.01 - Step 6: Final answer
x = 452,931.99
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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.