Finding the Fourth Proportional to 623,813.30, 934,337.55 and 483,115.70
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Solution
The fourth proportional to 623,813.30, 934,337.55 and 483,115.70 is: 723,602.94
Step by Step Solution
- Step 1: Write the proportion equation
623,813.30 : 934,337.55 = 483,115.70 : x - Step 2: Convert to fraction form
623,813.30/934,337.55 = 483,115.70/x - Step 3: Cross multiply
623,813.30x = 934,337.55 × 483,115.70 - Step 4: Simplify right side
623,813.30x = 451,393,139,504.54 - Step 5: Solve for x
x = 451,393,139,504.54/623,813.30 - Step 6: Final answer
x = 723,602.94
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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.