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Finding the Fourth Proportional to 336,883.40, 505,333.20 and 100,233.80

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Solution

The fourth proportional to 336,883.40, 505,333.20 and 100,233.80 is: 150,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,883.40 : 505,333.20 = 100,233.80 : x
  2. Step 2: Convert to fraction form
    336,883.40/505,333.20 = 100,233.80/x
  3. Step 3: Cross multiply
    336,883.40x = 505,333.20 × 100,233.80
  4. Step 4: Simplify right side
    336,883.40x = 50,651,466,902.16
  5. Step 5: Solve for x
    x = 50,651,466,902.16/336,883.40
  6. Step 6: Final answer
    x = 150,353.11

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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.