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Finding the Fourth Proportional to 339,532.70, 468,233.94 and 223,040.50

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Solution

The fourth proportional to 339,532.70, 468,233.94 and 223,040.50 is: 307,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,532.70 : 468,233.94 = 223,040.50 : x
  2. Step 2: Convert to fraction form
    339,532.70/468,233.94 = 223,040.50/x
  3. Step 3: Cross multiply
    339,532.70x = 468,233.94 × 223,040.50
  4. Step 4: Simplify right side
    339,532.70x = 104,435,130,923.99
  5. Step 5: Solve for x
    x = 104,435,130,923.99/339,532.70
  6. Step 6: Final answer
    x = 307,584.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.