Finding the Fourth Proportional to 292,374.48, 438,558.12 and 92,694.48
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Solution
The fourth proportional to 292,374.48, 438,558.12 and 92,694.48 is: 139,040.58
Step by Step Solution
- Step 1: Write the proportion equation
292,374.48 : 438,558.12 = 92,694.48 : x - Step 2: Convert to fraction form
292,374.48/438,558.12 = 92,694.48/x - Step 3: Cross multiply
292,374.48x = 438,558.12 × 92,694.48 - Step 4: Simplify right side
292,374.48x = 40,651,916,883.18 - Step 5: Solve for x
x = 40,651,916,883.18/292,374.48 - Step 6: Final answer
x = 139,040.58
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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.