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Finding the Fourth Proportional to 244,395.20, 366,301.20 and 219,317.60

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Solution

The fourth proportional to 244,395.20, 366,301.20 and 219,317.60 is: 328,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,395.20 : 366,301.20 = 219,317.60 : x
  2. Step 2: Convert to fraction form
    244,395.20/366,301.20 = 219,317.60/x
  3. Step 3: Cross multiply
    244,395.20x = 366,301.20 × 219,317.60
  4. Step 4: Simplify right side
    244,395.20x = 80,336,300,061.12
  5. Step 5: Solve for x
    x = 80,336,300,061.12/244,395.20
  6. Step 6: Final answer
    x = 328,714.72

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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.