Finding the Fourth Proportional to 616,226.70, 865,205.70 and 616,226.70
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Solution
The fourth proportional to 616,226.70, 865,205.70 and 616,226.70 is: 865,205.70
Step by Step Solution
- Step 1: Write the proportion equation
616,226.70 : 865,205.70 = 616,226.70 : x - Step 2: Convert to fraction form
616,226.70/865,205.70 = 616,226.70/x - Step 3: Cross multiply
616,226.70x = 865,205.70 × 616,226.70 - Step 4: Simplify right side
616,226.70x = 533,162,853,332.19 - Step 5: Solve for x
x = 533,162,853,332.19/616,226.70 - Step 6: Final answer
x = 865,205.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.