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Finding the Fourth Proportional to 483,079.60, 724,360.20 and 202,279.60

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Solution

The fourth proportional to 483,079.60, 724,360.20 and 202,279.60 is: 303,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,079.60 : 724,360.20 = 202,279.60 : x
  2. Step 2: Convert to fraction form
    483,079.60/724,360.20 = 202,279.60/x
  3. Step 3: Cross multiply
    483,079.60x = 724,360.20 × 202,279.60
  4. Step 4: Simplify right side
    483,079.60x = 146,523,291,511.92
  5. Step 5: Solve for x
    x = 146,523,291,511.92/483,079.60
  6. Step 6: Final answer
    x = 303,310.87

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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.