Finding the Fourth Proportional to 374,776.15, 562,129.66 and 125,460.31
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Solution
The fourth proportional to 374,776.15, 562,129.66 and 125,460.31 is: 188,178.89
Step by Step Solution
- Step 1: Write the proportion equation
374,776.15 : 562,129.66 = 125,460.31 : x - Step 2: Convert to fraction form
374,776.15/562,129.66 = 125,460.31/x - Step 3: Cross multiply
374,776.15x = 562,129.66 × 125,460.31 - Step 4: Simplify right side
374,776.15x = 70,524,961,403.79 - Step 5: Solve for x
x = 70,524,961,403.79/374,776.15 - Step 6: Final answer
x = 188,178.89
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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.