Finding the Fourth Proportional to 473,608.08, 709,799.76 and 354,343.68
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Solution
The fourth proportional to 473,608.08, 709,799.76 and 354,343.68 is: 531,057.37
Step by Step Solution
- Step 1: Write the proportion equation
473,608.08 : 709,799.76 = 354,343.68 : x - Step 2: Convert to fraction form
473,608.08/709,799.76 = 354,343.68/x - Step 3: Cross multiply
473,608.08x = 709,799.76 × 354,343.68 - Step 4: Simplify right side
473,608.08x = 251,513,059,021.52 - Step 5: Solve for x
x = 251,513,059,021.52/473,608.08 - Step 6: Final answer
x = 531,057.37
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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.