Finding the Fourth Proportional to 338,066.29, 507,356.49 and 125,035.74
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Solution
The fourth proportional to 338,066.29, 507,356.49 and 125,035.74 is: 187,648.69
Step by Step Solution
- Step 1: Write the proportion equation
338,066.29 : 507,356.49 = 125,035.74 : x - Step 2: Convert to fraction form
338,066.29/507,356.49 = 125,035.74/x - Step 3: Cross multiply
338,066.29x = 507,356.49 × 125,035.74 - Step 4: Simplify right side
338,066.29x = 63,437,696,873.24 - Step 5: Solve for x
x = 63,437,696,873.24/338,066.29 - Step 6: Final answer
x = 187,648.69
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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.