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Finding the Fourth Proportional to 433,357.21, 650,221.90 and 167,304.56

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Solution

The fourth proportional to 433,357.21, 650,221.90 and 167,304.56 is: 251,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,357.21 : 650,221.90 = 167,304.56 : x
  2. Step 2: Convert to fraction form
    433,357.21/650,221.90 = 167,304.56/x
  3. Step 3: Cross multiply
    433,357.21x = 650,221.90 × 167,304.56
  4. Step 4: Simplify right side
    433,357.21x = 108,785,085,212.49
  5. Step 5: Solve for x
    x = 108,785,085,212.49/433,357.21
  6. Step 6: Final answer
    x = 251,028.68

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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.