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Finding the Fourth Proportional to 244,470.20, 366,921.30 and 144,505.40

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Solution

The fourth proportional to 244,470.20, 366,921.30 and 144,505.40 is: 216,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,470.20 : 366,921.30 = 144,505.40 : x
  2. Step 2: Convert to fraction form
    244,470.20/366,921.30 = 144,505.40/x
  3. Step 3: Cross multiply
    244,470.20x = 366,921.30 × 144,505.40
  4. Step 4: Simplify right side
    244,470.20x = 53,022,109,225.02
  5. Step 5: Solve for x
    x = 53,022,109,225.02/244,470.20
  6. Step 6: Final answer
    x = 216,885.78

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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.