Finding the Fourth Proportional to 527,386.07, 791,116.01 and 261,075.08
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Solution
The fourth proportional to 527,386.07, 791,116.01 and 261,075.08 is: 391,630.88
Step by Step Solution
- Step 1: Write the proportion equation
527,386.07 : 791,116.01 = 261,075.08 : x - Step 2: Convert to fraction form
527,386.07/791,116.01 = 261,075.08/x - Step 3: Cross multiply
527,386.07x = 791,116.01 × 261,075.08 - Step 4: Simplify right side
527,386.07x = 206,540,670,339.08 - Step 5: Solve for x
x = 206,540,670,339.08/527,386.07 - Step 6: Final answer
x = 391,630.88
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1.5x scale
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.