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Finding the Fourth Proportional to 294,529.80, 441,794.70 and 254,440.20

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Solution

The fourth proportional to 294,529.80, 441,794.70 and 254,440.20 is: 381,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,529.80 : 441,794.70 = 254,440.20 : x
  2. Step 2: Convert to fraction form
    294,529.80/441,794.70 = 254,440.20/x
  3. Step 3: Cross multiply
    294,529.80x = 441,794.70 × 254,440.20
  4. Step 4: Simplify right side
    294,529.80x = 112,410,331,826.94
  5. Step 5: Solve for x
    x = 112,410,331,826.94/294,529.80
  6. Step 6: Final answer
    x = 381,660.30

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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.