Finding the Fourth Proportional to 616,266.70, 865,261.70 and 616,266.70
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Solution
The fourth proportional to 616,266.70, 865,261.70 and 616,266.70 is: 865,261.70
Step by Step Solution
- Step 1: Write the proportion equation
616,266.70 : 865,261.70 = 616,266.70 : x - Step 2: Convert to fraction form
616,266.70/865,261.70 = 616,266.70/x - Step 3: Cross multiply
616,266.70x = 865,261.70 × 616,266.70 - Step 4: Simplify right side
616,266.70x = 533,231,972,495.39 - Step 5: Solve for x
x = 533,231,972,495.39/616,266.70 - Step 6: Final answer
x = 865,261.70
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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.