Finding the Fourth Proportional to 292,261.70, 403,290.36 and 169,730.17
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Solution
The fourth proportional to 292,261.70, 403,290.36 and 169,730.17 is: 234,209.75
Step by Step Solution
- Step 1: Write the proportion equation
292,261.70 : 403,290.36 = 169,730.17 : x - Step 2: Convert to fraction form
292,261.70/403,290.36 = 169,730.17/x - Step 3: Cross multiply
292,261.70x = 403,290.36 × 169,730.17 - Step 4: Simplify right side
292,261.70x = 68,450,540,353.94 - Step 5: Solve for x
x = 68,450,540,353.94/292,261.70 - Step 6: Final answer
x = 234,209.75
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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.