Finding the Fourth Proportional to 708,225.28, 1,062,336.43 and 221,944.75
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Solution
The fourth proportional to 708,225.28, 1,062,336.43 and 221,944.75 is: 332,916.66
Step by Step Solution
- Step 1: Write the proportion equation
708,225.28 : 1,062,336.43 = 221,944.75 : x - Step 2: Convert to fraction form
708,225.28/1,062,336.43 = 221,944.75/x - Step 3: Cross multiply
708,225.28x = 1,062,336.43 × 221,944.75 - Step 4: Simplify right side
708,225.28x = 235,779,993,372.24 - Step 5: Solve for x
x = 235,779,993,372.24/708,225.28 - Step 6: Final answer
x = 332,916.66
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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.