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Finding the Fourth Proportional to 444,791.70, 665,632.35 and 407,466.90

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Solution

The fourth proportional to 444,791.70, 665,632.35 and 407,466.90 is: 609,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,791.70 : 665,632.35 = 407,466.90 : x
  2. Step 2: Convert to fraction form
    444,791.70/665,632.35 = 407,466.90/x
  3. Step 3: Cross multiply
    444,791.70x = 665,632.35 × 407,466.90
  4. Step 4: Simplify right side
    444,791.70x = 271,223,150,194.22
  5. Step 5: Solve for x
    x = 271,223,150,194.22/444,791.70
  6. Step 6: Final answer
    x = 609,775.65

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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.