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Finding the Fourth Proportional to 482,753.10, 724,388.85 and 202,298.70

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Solution

The fourth proportional to 482,753.10, 724,388.85 and 202,298.70 is: 303,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,753.10 : 724,388.85 = 202,298.70 : x
  2. Step 2: Convert to fraction form
    482,753.10/724,388.85 = 202,298.70/x
  3. Step 3: Cross multiply
    482,753.10x = 724,388.85 × 202,298.70
  4. Step 4: Simplify right side
    482,753.10x = 146,542,922,649.50
  5. Step 5: Solve for x
    x = 146,542,922,649.50/482,753.10
  6. Step 6: Final answer
    x = 303,556.67

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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.