Finding the Fourth Proportional to 368,573.84, 508,788.84 and 247,785.19
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Solution
The fourth proportional to 368,573.84, 508,788.84 and 247,785.19 is: 342,049.07
Step by Step Solution
- Step 1: Write the proportion equation
368,573.84 : 508,788.84 = 247,785.19 : x - Step 2: Convert to fraction form
368,573.84/508,788.84 = 247,785.19/x - Step 3: Cross multiply
368,573.84x = 508,788.84 × 247,785.19 - Step 4: Simplify right side
368,573.84x = 126,070,339,761.99 - Step 5: Solve for x
x = 126,070,339,761.99/368,573.84 - Step 6: Final answer
x = 342,049.07
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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.