Finding the Fourth Proportional to 725,066.35, 1,087,599.99 and 275,683.33
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Solution
The fourth proportional to 725,066.35, 1,087,599.99 and 275,683.33 is: 413,525.17
Step by Step Solution
- Step 1: Write the proportion equation
725,066.35 : 1,087,599.99 = 275,683.33 : x - Step 2: Convert to fraction form
725,066.35/1,087,599.99 = 275,683.33/x - Step 3: Cross multiply
725,066.35x = 1,087,599.99 × 275,683.33 - Step 4: Simplify right side
725,066.35x = 299,833,186,951.17 - Step 5: Solve for x
x = 299,833,186,951.17/725,066.35 - Step 6: Final answer
x = 413,525.17
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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.