Finding the Fourth Proportional to 302,374.26, 453,430.35 and 91,963.62
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Solution
The fourth proportional to 302,374.26, 453,430.35 and 91,963.62 is: 137,905.58
Step by Step Solution
- Step 1: Write the proportion equation
302,374.26 : 453,430.35 = 91,963.62 : x - Step 2: Convert to fraction form
302,374.26/453,430.35 = 91,963.62/x - Step 3: Cross multiply
302,374.26x = 453,430.35 × 91,963.62 - Step 4: Simplify right side
302,374.26x = 41,699,096,403.87 - Step 5: Solve for x
x = 41,699,096,403.87/302,374.26 - Step 6: Final answer
x = 137,905.58
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1.5x scale
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.