Finding the Fourth Proportional to 295,276.10, 442,914.15 and 84,901.70
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Solution
The fourth proportional to 295,276.10, 442,914.15 and 84,901.70 is: 127,352.55
Step by Step Solution
- Step 1: Write the proportion equation
295,276.10 : 442,914.15 = 84,901.70 : x - Step 2: Convert to fraction form
295,276.10/442,914.15 = 84,901.70/x - Step 3: Cross multiply
295,276.10x = 442,914.15 × 84,901.70 - Step 4: Simplify right side
295,276.10x = 37,604,164,289.06 - Step 5: Solve for x
x = 37,604,164,289.06/295,276.10 - Step 6: Final answer
x = 127,352.55
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Similar ratio
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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.