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Finding the Fourth Proportional to 445,474.98, 614,790.96 and 251,923.45

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Solution

The fourth proportional to 445,474.98, 614,790.96 and 251,923.45 is: 347,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,474.98 : 614,790.96 = 251,923.45 : x
  2. Step 2: Convert to fraction form
    445,474.98/614,790.96 = 251,923.45/x
  3. Step 3: Cross multiply
    445,474.98x = 614,790.96 × 251,923.45
  4. Step 4: Simplify right side
    445,474.98x = 154,880,259,672.01
  5. Step 5: Solve for x
    x = 154,880,259,672.01/445,474.98
  6. Step 6: Final answer
    x = 347,674.43

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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.