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Finding the Fourth Proportional to 433,676.60, 650,628.30 and 167,445.80

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Solution

The fourth proportional to 433,676.60, 650,628.30 and 167,445.80 is: 251,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,676.60 : 650,628.30 = 167,445.80 : x
  2. Step 2: Convert to fraction form
    433,676.60/650,628.30 = 167,445.80/x
  3. Step 3: Cross multiply
    433,676.60x = 650,628.30 × 167,445.80
  4. Step 4: Simplify right side
    433,676.60x = 108,944,976,196.14
  5. Step 5: Solve for x
    x = 108,944,976,196.14/433,676.60
  6. Step 6: Final answer
    x = 251,212.48

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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.