Finding the Fourth Proportional to 624,381.14, 861,648.09 and 337,901.14
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Solution
The fourth proportional to 624,381.14, 861,648.09 and 337,901.14 is: 466,304.72
Step by Step Solution
- Step 1: Write the proportion equation
624,381.14 : 861,648.09 = 337,901.14 : x - Step 2: Convert to fraction form
624,381.14/861,648.09 = 337,901.14/x - Step 3: Cross multiply
624,381.14x = 861,648.09 × 337,901.14 - Step 4: Simplify right side
624,381.14x = 291,151,871,889.82 - Step 5: Solve for x
x = 291,151,871,889.82/624,381.14 - Step 6: Final answer
x = 466,304.72
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1.5x scale
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.