Finding the Fourth Proportional to 368,419.70, 552,629.55 and 368,419.70
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Solution
The fourth proportional to 368,419.70, 552,629.55 and 368,419.70 is: 552,629.55
Step by Step Solution
- Step 1: Write the proportion equation
368,419.70 : 552,629.55 = 368,419.70 : x - Step 2: Convert to fraction form
368,419.70/552,629.55 = 368,419.70/x - Step 3: Cross multiply
368,419.70x = 552,629.55 × 368,419.70 - Step 4: Simplify right side
368,419.70x = 203,599,613,022.14 - Step 5: Solve for x
x = 203,599,613,022.14/368,419.70 - Step 6: Final answer
x = 552,629.55
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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.