Finding the Fourth Proportional to 374,162.24, 516,344.36 and 213,017.28
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Solution
The fourth proportional to 374,162.24, 516,344.36 and 213,017.28 is: 293,964.12
Step by Step Solution
- Step 1: Write the proportion equation
374,162.24 : 516,344.36 = 213,017.28 : x - Step 2: Convert to fraction form
374,162.24/516,344.36 = 213,017.28/x - Step 3: Cross multiply
374,162.24x = 516,344.36 × 213,017.28 - Step 4: Simplify right side
374,162.24x = 109,990,271,013.60 - Step 5: Solve for x
x = 109,990,271,013.60/374,162.24 - Step 6: Final answer
x = 293,964.12
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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.