Finding the Fourth Proportional to 557,342.70, 836,014.05 and 202,368.30
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Solution
The fourth proportional to 557,342.70, 836,014.05 and 202,368.30 is: 303,552.45
Step by Step Solution
- Step 1: Write the proportion equation
557,342.70 : 836,014.05 = 202,368.30 : x - Step 2: Convert to fraction form
557,342.70/836,014.05 = 202,368.30/x - Step 3: Cross multiply
557,342.70x = 836,014.05 × 202,368.30 - Step 4: Simplify right side
557,342.70x = 169,182,742,074.62 - Step 5: Solve for x
x = 169,182,742,074.62/557,342.70 - Step 6: Final answer
x = 303,552.45
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Double scale
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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.