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Finding the Fourth Proportional to 491,241.52, 736,862.22 and 136,255.54

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Solution

The fourth proportional to 491,241.52, 736,862.22 and 136,255.54 is: 204,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,241.52 : 736,862.22 = 136,255.54 : x
  2. Step 2: Convert to fraction form
    491,241.52/736,862.22 = 136,255.54/x
  3. Step 3: Cross multiply
    491,241.52x = 736,862.22 × 136,255.54
  4. Step 4: Simplify right side
    491,241.52x = 100,401,559,231.16
  5. Step 5: Solve for x
    x = 100,401,559,231.16/491,241.52
  6. Step 6: Final answer
    x = 204,383.29

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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.