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Finding the Fourth Proportional to 244,620.70, 366,931.05 and 220,126.30

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Solution

The fourth proportional to 244,620.70, 366,931.05 and 220,126.30 is: 330,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,620.70 : 366,931.05 = 220,126.30 : x
  2. Step 2: Convert to fraction form
    244,620.70/366,931.05 = 220,126.30/x
  3. Step 3: Cross multiply
    244,620.70x = 366,931.05 × 220,126.30
  4. Step 4: Simplify right side
    244,620.70x = 80,771,174,391.62
  5. Step 5: Solve for x
    x = 80,771,174,391.62/244,620.70
  6. Step 6: Final answer
    x = 330,189.45

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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.