Finding the Fourth Proportional to 438,236, 604,765.68 and 259,388
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Solution
The fourth proportional to 438,236, 604,765.68 and 259,388 is: 357,955.44
Step by Step Solution
- Step 1: Write the proportion equation
438,236 : 604,765.68 = 259,388 : x - Step 2: Convert to fraction form
438,236/604,765.68 = 259,388/x - Step 3: Cross multiply
438,236x = 604,765.68 × 259,388 - Step 4: Simplify right side
438,236x = 156,868,960,203.84 - Step 5: Solve for x
x = 156,868,960,203.84/438,236 - Step 6: Final answer
x = 357,955.44
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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.