Finding the Fourth Proportional to 446,615.36, 616,331.48 and 242,666.81
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Solution
The fourth proportional to 446,615.36, 616,331.48 and 242,666.81 is: 334,881.43
Step by Step Solution
- Step 1: Write the proportion equation
446,615.36 : 616,331.48 = 242,666.81 : x - Step 2: Convert to fraction form
446,615.36/616,331.48 = 242,666.81/x - Step 3: Cross multiply
446,615.36x = 616,331.48 × 242,666.81 - Step 4: Simplify right side
446,615.36x = 149,563,189,859.19 - Step 5: Solve for x
x = 149,563,189,859.19/446,615.36 - Step 6: Final answer
x = 334,881.43
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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.