Finding the Fourth Proportional to 846,965.46, 1,270,178.76 and 278,214.61
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Solution
The fourth proportional to 846,965.46, 1,270,178.76 and 278,214.61 is: 417,233.41
Step by Step Solution
- Step 1: Write the proportion equation
846,965.46 : 1,270,178.76 = 278,214.61 : x - Step 2: Convert to fraction form
846,965.46/1,270,178.76 = 278,214.61/x - Step 3: Cross multiply
846,965.46x = 1,270,178.76 × 278,214.61 - Step 4: Simplify right side
846,965.46x = 353,382,288,423.13 - Step 5: Solve for x
x = 353,382,288,423.13/846,965.46 - Step 6: Final answer
x = 417,233.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.