Finding the Fourth Proportional to 653,072.76, 979,987.50 and 273,960
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Solution
The fourth proportional to 653,072.76, 979,987.50 and 273,960 is: 411,098.72
Step by Step Solution
- Step 1: Write the proportion equation
653,072.76 : 979,987.50 = 273,960 : x - Step 2: Convert to fraction form
653,072.76/979,987.50 = 273,960/x - Step 3: Cross multiply
653,072.76x = 979,987.50 × 273,960 - Step 4: Simplify right side
653,072.76x = 268,477,375,500 - Step 5: Solve for x
x = 268,477,375,500/653,072.76 - Step 6: Final answer
x = 411,098.72
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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.