Finding the Fourth Proportional to 319,636.01, 441,090.81 and 176,394.80
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Solution
The fourth proportional to 319,636.01, 441,090.81 and 176,394.80 is: 243,421.02
Step by Step Solution
- Step 1: Write the proportion equation
319,636.01 : 441,090.81 = 176,394.80 : x - Step 2: Convert to fraction form
319,636.01/441,090.81 = 176,394.80/x - Step 3: Cross multiply
319,636.01x = 441,090.81 × 176,394.80 - Step 4: Simplify right side
319,636.01x = 77,806,123,006.33 - Step 5: Solve for x
x = 77,806,123,006.33/319,636.01 - Step 6: Final answer
x = 243,421.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.