Finding the Fourth Proportional to 506,832.36, 699,428.92 and 277,389.84
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Solution
The fourth proportional to 506,832.36, 699,428.92 and 277,389.84 is: 382,798.12
Step by Step Solution
- Step 1: Write the proportion equation
506,832.36 : 699,428.92 = 277,389.84 : x - Step 2: Convert to fraction form
506,832.36/699,428.92 = 277,389.84/x - Step 3: Cross multiply
506,832.36x = 699,428.92 × 277,389.84 - Step 4: Simplify right side
506,832.36x = 194,014,476,210.17 - Step 5: Solve for x
x = 194,014,476,210.17/506,832.36 - Step 6: Final answer
x = 382,798.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.