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Finding the Fourth Proportional to 444,615.40, 666,048.30 and 266,593.60

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Solution

The fourth proportional to 444,615.40, 666,048.30 and 266,593.60 is: 399,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,615.40 : 666,048.30 = 266,593.60 : x
  2. Step 2: Convert to fraction form
    444,615.40/666,048.30 = 266,593.60/x
  3. Step 3: Cross multiply
    444,615.40x = 666,048.30 × 266,593.60
  4. Step 4: Simplify right side
    444,615.40x = 177,564,214,070.88
  5. Step 5: Solve for x
    x = 177,564,214,070.88/444,615.40
  6. Step 6: Final answer
    x = 399,365.87

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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.