Finding the Fourth Proportional to 624,423.06, 861,706.35 and 337,943.07
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Solution
The fourth proportional to 624,423.06, 861,706.35 and 337,943.07 is: 466,362.80
Step by Step Solution
- Step 1: Write the proportion equation
624,423.06 : 861,706.35 = 337,943.07 : x - Step 2: Convert to fraction form
624,423.06/861,706.35 = 337,943.07/x - Step 3: Cross multiply
624,423.06x = 861,706.35 × 337,943.07 - Step 4: Simplify right side
624,423.06x = 291,207,689,357.50 - Step 5: Solve for x
x = 291,207,689,357.50/624,423.06 - Step 6: Final answer
x = 466,362.80
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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.