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Finding the Fourth Proportional to 606,087.56, 909,135.90 and 269,037.60

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Solution

The fourth proportional to 606,087.56, 909,135.90 and 269,037.60 is: 403,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,087.56 : 909,135.90 = 269,037.60 : x
  2. Step 2: Convert to fraction form
    606,087.56/909,135.90 = 269,037.60/x
  3. Step 3: Cross multiply
    606,087.56x = 909,135.90 × 269,037.60
  4. Step 4: Simplify right side
    606,087.56x = 244,591,742,314.47
  5. Step 5: Solve for x
    x = 244,591,742,314.47/606,087.56
  6. Step 6: Final answer
    x = 403,558.43

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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.