Finding the Fourth Proportional to 298,794.24, 412,175.70 and 191,248.56
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Solution
The fourth proportional to 298,794.24, 412,175.70 and 191,248.56 is: 263,820.38
Step by Step Solution
- Step 1: Write the proportion equation
298,794.24 : 412,175.70 = 191,248.56 : x - Step 2: Convert to fraction form
298,794.24/412,175.70 = 191,248.56/x - Step 3: Cross multiply
298,794.24x = 412,175.70 × 191,248.56 - Step 4: Simplify right side
298,794.24x = 78,828,009,091.99 - Step 5: Solve for x
x = 78,828,009,091.99/298,794.24 - Step 6: Final answer
x = 263,820.38
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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.