Finding the Fourth Proportional to 562,646.09, 843,939.36 and 157,866.49
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Solution
The fourth proportional to 562,646.09, 843,939.36 and 157,866.49 is: 236,791.38
Step by Step Solution
- Step 1: Write the proportion equation
562,646.09 : 843,939.36 = 157,866.49 : x - Step 2: Convert to fraction form
562,646.09/843,939.36 = 157,866.49/x - Step 3: Cross multiply
562,646.09x = 843,939.36 × 157,866.49 - Step 4: Simplify right side
562,646.09x = 133,229,742,820.86 - Step 5: Solve for x
x = 133,229,742,820.86/562,646.09 - Step 6: Final answer
x = 236,791.38
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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.