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Finding the Fourth Proportional to 294,133.80, 440,163.90 and 269,250.60

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Solution

The fourth proportional to 294,133.80, 440,163.90 and 269,250.60 is: 402,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,133.80 : 440,163.90 = 269,250.60 : x
  2. Step 2: Convert to fraction form
    294,133.80/440,163.90 = 269,250.60/x
  3. Step 3: Cross multiply
    294,133.80x = 440,163.90 × 269,250.60
  4. Step 4: Simplify right side
    294,133.80x = 118,514,394,173.34
  5. Step 5: Solve for x
    x = 118,514,394,173.34/294,133.80
  6. Step 6: Final answer
    x = 402,926.81

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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.