Finding the Fourth Proportional to 626,647.98, 861,449.02 and 539,113.32
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Solution
The fourth proportional to 626,647.98, 861,449.02 and 539,113.32 is: 741,115.68
Step by Step Solution
- Step 1: Write the proportion equation
626,647.98 : 861,449.02 = 539,113.32 : x - Step 2: Convert to fraction form
626,647.98/861,449.02 = 539,113.32/x - Step 3: Cross multiply
626,647.98x = 861,449.02 × 539,113.32 - Step 4: Simplify right side
626,647.98x = 464,418,641,182.95 - Step 5: Solve for x
x = 464,418,641,182.95/626,647.98 - Step 6: Final answer
x = 741,115.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.