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Finding the Fourth Proportional to 436,169.40, 654,254.10 and 404,676.60

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Solution

The fourth proportional to 436,169.40, 654,254.10 and 404,676.60 is: 607,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,169.40 : 654,254.10 = 404,676.60 : x
  2. Step 2: Convert to fraction form
    436,169.40/654,254.10 = 404,676.60/x
  3. Step 3: Cross multiply
    436,169.40x = 654,254.10 × 404,676.60
  4. Step 4: Simplify right side
    436,169.40x = 264,761,324,724.06
  5. Step 5: Solve for x
    x = 264,761,324,724.06/436,169.40
  6. Step 6: Final answer
    x = 607,014.90

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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.