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Finding the Fourth Proportional to 433,760.48, 650,671.12 and 134,201.60

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Solution

The fourth proportional to 433,760.48, 650,671.12 and 134,201.60 is: 201,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,760.48 : 650,671.12 = 134,201.60 : x
  2. Step 2: Convert to fraction form
    433,760.48/650,671.12 = 134,201.60/x
  3. Step 3: Cross multiply
    433,760.48x = 650,671.12 × 134,201.60
  4. Step 4: Simplify right side
    433,760.48x = 87,321,105,377.79
  5. Step 5: Solve for x
    x = 87,321,105,377.79/433,760.48
  6. Step 6: Final answer
    x = 201,311.81

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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.