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Finding the Fourth Proportional to 490,104.27, 735,193.26 and 135,115.29

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Solution

The fourth proportional to 490,104.27, 735,193.26 and 135,115.29 is: 202,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,104.27 : 735,193.26 = 135,115.29 : x
  2. Step 2: Convert to fraction form
    490,104.27/735,193.26 = 135,115.29/x
  3. Step 3: Cross multiply
    490,104.27x = 735,193.26 × 135,115.29
  4. Step 4: Simplify right side
    490,104.27x = 99,335,850,530.95
  5. Step 5: Solve for x
    x = 99,335,850,530.95/490,104.27
  6. Step 6: Final answer
    x = 202,683.10

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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.