Finding the Fourth Proportional to 336,673.41, 465,225.17 and 320,272.53
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Solution
The fourth proportional to 336,673.41, 465,225.17 and 320,272.53 is: 442,561.95
Step by Step Solution
- Step 1: Write the proportion equation
336,673.41 : 465,225.17 = 320,272.53 : x - Step 2: Convert to fraction form
336,673.41/465,225.17 = 320,272.53/x - Step 3: Cross multiply
336,673.41x = 465,225.17 × 320,272.53 - Step 4: Simplify right side
336,673.41x = 148,998,842,215.58 - Step 5: Solve for x
x = 148,998,842,215.58/336,673.41 - Step 6: Final answer
x = 442,561.95
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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.