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Finding the Fourth Proportional to 294,462.80, 441,694.20 and 266,469.20

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Solution

The fourth proportional to 294,462.80, 441,694.20 and 266,469.20 is: 399,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,462.80 : 441,694.20 = 266,469.20 : x
  2. Step 2: Convert to fraction form
    294,462.80/441,694.20 = 266,469.20/x
  3. Step 3: Cross multiply
    294,462.80x = 441,694.20 × 266,469.20
  4. Step 4: Simplify right side
    294,462.80x = 117,697,900,118.64
  5. Step 5: Solve for x
    x = 117,697,900,118.64/294,462.80
  6. Step 6: Final answer
    x = 399,703.80

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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.