Finding the Fourth Proportional to 762,534.98, 1,143,058.68 and 363,068.42
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Solution
The fourth proportional to 762,534.98, 1,143,058.68 and 363,068.42 is: 544,248.49
Step by Step Solution
- Step 1: Write the proportion equation
762,534.98 : 1,143,058.68 = 363,068.42 : x - Step 2: Convert to fraction form
762,534.98/1,143,058.68 = 363,068.42/x - Step 3: Cross multiply
762,534.98x = 1,143,058.68 × 363,068.42 - Step 4: Simplify right side
762,534.98x = 415,008,508,914.89 - Step 5: Solve for x
x = 415,008,508,914.89/762,534.98 - Step 6: Final answer
x = 544,248.49
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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.