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Finding the Fourth Proportional to 393,792.20, 591,125.70 and 244,201.40

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Solution

The fourth proportional to 393,792.20, 591,125.70 and 244,201.40 is: 366,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,792.20 : 591,125.70 = 244,201.40 : x
  2. Step 2: Convert to fraction form
    393,792.20/591,125.70 = 244,201.40/x
  3. Step 3: Cross multiply
    393,792.20x = 591,125.70 × 244,201.40
  4. Step 4: Simplify right side
    393,792.20x = 144,353,723,515.98
  5. Step 5: Solve for x
    x = 144,353,723,515.98/393,792.20
  6. Step 6: Final answer
    x = 366,573.34

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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.