Finding the Fourth Proportional to 661,079.99, 991,744.45 and 471,068.99
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Solution
The fourth proportional to 661,079.99, 991,744.45 and 471,068.99 is: 706,692.17
Step by Step Solution
- Step 1: Write the proportion equation
661,079.99 : 991,744.45 = 471,068.99 : x - Step 2: Convert to fraction form
661,079.99/991,744.45 = 471,068.99/x - Step 3: Cross multiply
661,079.99x = 991,744.45 × 471,068.99 - Step 4: Simplify right side
661,079.99x = 467,180,057,701.29 - Step 5: Solve for x
x = 467,180,057,701.29/661,079.99 - Step 6: Final answer
x = 706,692.17
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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.