Finding the Fourth Proportional to 665,194.08, 998,128.08 and 291,220.32
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Solution
The fourth proportional to 665,194.08, 998,128.08 and 291,220.32 is: 436,978.00
Step by Step Solution
- Step 1: Write the proportion equation
665,194.08 : 998,128.08 = 291,220.32 : x - Step 2: Convert to fraction form
665,194.08/998,128.08 = 291,220.32/x - Step 3: Cross multiply
665,194.08x = 998,128.08 × 291,220.32 - Step 4: Simplify right side
665,194.08x = 290,675,178,858.59 - Step 5: Solve for x
x = 290,675,178,858.59/665,194.08 - Step 6: Final answer
x = 436,978.00
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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.