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Finding the Fourth Proportional to 273,425.80, 410,138.70 and 230,123.20

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Solution

The fourth proportional to 273,425.80, 410,138.70 and 230,123.20 is: 345,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,425.80 : 410,138.70 = 230,123.20 : x
  2. Step 2: Convert to fraction form
    273,425.80/410,138.70 = 230,123.20/x
  3. Step 3: Cross multiply
    273,425.80x = 410,138.70 × 230,123.20
  4. Step 4: Simplify right side
    273,425.80x = 94,382,430,087.84
  5. Step 5: Solve for x
    x = 94,382,430,087.84/273,425.80
  6. Step 6: Final answer
    x = 345,184.80

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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.