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Finding the Fourth Proportional to 272,960.60, 409,052.10 and 201,324.20

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Solution

The fourth proportional to 272,960.60, 409,052.10 and 201,324.20 is: 301,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,960.60 : 409,052.10 = 201,324.20 : x
  2. Step 2: Convert to fraction form
    272,960.60/409,052.10 = 201,324.20/x
  3. Step 3: Cross multiply
    272,960.60x = 409,052.10 × 201,324.20
  4. Step 4: Simplify right side
    272,960.60x = 82,352,086,790.82
  5. Step 5: Solve for x
    x = 82,352,086,790.82/272,960.60
  6. Step 6: Final answer
    x = 301,699.54

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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.