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Finding the Fourth Proportional to 433,739.80, 650,415.30 and 167,411.80

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Solution

The fourth proportional to 433,739.80, 650,415.30 and 167,411.80 is: 251,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,739.80 : 650,415.30 = 167,411.80 : x
  2. Step 2: Convert to fraction form
    433,739.80/650,415.30 = 167,411.80/x
  3. Step 3: Cross multiply
    433,739.80x = 650,415.30 × 167,411.80
  4. Step 4: Simplify right side
    433,739.80x = 108,887,196,120.54
  5. Step 5: Solve for x
    x = 108,887,196,120.54/433,739.80
  6. Step 6: Final answer
    x = 251,042.67

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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.