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Finding the Fourth Proportional to 433,729.48, 650,780.29 and 167,676.82

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Solution

The fourth proportional to 433,729.48, 650,780.29 and 167,676.82 is: 251,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,729.48 : 650,780.29 = 167,676.82 : x
  2. Step 2: Convert to fraction form
    433,729.48/650,780.29 = 167,676.82/x
  3. Step 3: Cross multiply
    433,729.48x = 650,780.29 × 167,676.82
  4. Step 4: Simplify right side
    433,729.48x = 109,120,768,707.49
  5. Step 5: Solve for x
    x = 109,120,768,707.49/433,729.48
  6. Step 6: Final answer
    x = 251,587.16

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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.