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Finding the Fourth Proportional to 454,049.07, 626,604.29 and 282,061.97

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Solution

The fourth proportional to 454,049.07, 626,604.29 and 282,061.97 is: 389,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,049.07 : 626,604.29 = 282,061.97 : x
  2. Step 2: Convert to fraction form
    454,049.07/626,604.29 = 282,061.97/x
  3. Step 3: Cross multiply
    454,049.07x = 626,604.29 × 282,061.97
  4. Step 4: Simplify right side
    454,049.07x = 176,741,240,447.85
  5. Step 5: Solve for x
    x = 176,741,240,447.85/454,049.07
  6. Step 6: Final answer
    x = 389,255.81

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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.