Finding the Fourth Proportional to 621,304.99, 931,959.77 and 189,026.66
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Solution
The fourth proportional to 621,304.99, 931,959.77 and 189,026.66 is: 283,540.69
Step by Step Solution
- Step 1: Write the proportion equation
621,304.99 : 931,959.77 = 189,026.66 : x - Step 2: Convert to fraction form
621,304.99/931,959.77 = 189,026.66/x - Step 3: Cross multiply
621,304.99x = 931,959.77 × 189,026.66 - Step 4: Simplify right side
621,304.99x = 176,165,243,962.23 - Step 5: Solve for x
x = 176,165,243,962.23/621,304.99 - Step 6: Final answer
x = 283,540.69
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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.