Finding the Fourth Proportional to 302,660.14, 417,673.66 and 166,698.80
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Solution
The fourth proportional to 302,660.14, 417,673.66 and 166,698.80 is: 230,045.81
Step by Step Solution
- Step 1: Write the proportion equation
302,660.14 : 417,673.66 = 166,698.80 : x - Step 2: Convert to fraction form
302,660.14/417,673.66 = 166,698.80/x - Step 3: Cross multiply
302,660.14x = 417,673.66 × 166,698.80 - Step 4: Simplify right side
302,660.14x = 69,625,697,913.61 - Step 5: Solve for x
x = 69,625,697,913.61/302,660.14 - Step 6: Final answer
x = 230,045.81
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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.