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Finding the Fourth Proportional to 262,079.20, 393,118.80 and 244,583.20

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Solution

The fourth proportional to 262,079.20, 393,118.80 and 244,583.20 is: 366,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,079.20 : 393,118.80 = 244,583.20 : x
  2. Step 2: Convert to fraction form
    262,079.20/393,118.80 = 244,583.20/x
  3. Step 3: Cross multiply
    262,079.20x = 393,118.80 × 244,583.20
  4. Step 4: Simplify right side
    262,079.20x = 96,150,254,084.16
  5. Step 5: Solve for x
    x = 96,150,254,084.16/262,079.20
  6. Step 6: Final answer
    x = 366,874.80

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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.