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Finding the Fourth Proportional to 483,266.60, 724,997.10 and 404,923.40

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Solution

The fourth proportional to 483,266.60, 724,997.10 and 404,923.40 is: 607,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,266.60 : 724,997.10 = 404,923.40 : x
  2. Step 2: Convert to fraction form
    483,266.60/724,997.10 = 404,923.40/x
  3. Step 3: Cross multiply
    483,266.60x = 724,997.10 × 404,923.40
  4. Step 4: Simplify right side
    483,266.60x = 293,568,290,722.14
  5. Step 5: Solve for x
    x = 293,568,290,722.14/483,266.60
  6. Step 6: Final answer
    x = 607,466.54

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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.