Finding the Fourth Proportional to 328,045.14, 491,993.84 and 117,683.06
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Solution
The fourth proportional to 328,045.14, 491,993.84 and 117,683.06 is: 176,498.09
Step by Step Solution
- Step 1: Write the proportion equation
328,045.14 : 491,993.84 = 117,683.06 : x - Step 2: Convert to fraction form
328,045.14/491,993.84 = 117,683.06/x - Step 3: Cross multiply
328,045.14x = 491,993.84 × 117,683.06 - Step 4: Simplify right side
328,045.14x = 57,899,340,592.35 - Step 5: Solve for x
x = 57,899,340,592.35/328,045.14 - Step 6: Final answer
x = 176,498.09
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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.