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Finding the Fourth Proportional to 254,816.80, 382,225.20 and 227,260.60

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Solution

The fourth proportional to 254,816.80, 382,225.20 and 227,260.60 is: 340,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,816.80 : 382,225.20 = 227,260.60 : x
  2. Step 2: Convert to fraction form
    254,816.80/382,225.20 = 227,260.60/x
  3. Step 3: Cross multiply
    254,816.80x = 382,225.20 × 227,260.60
  4. Step 4: Simplify right side
    254,816.80x = 86,864,728,287.12
  5. Step 5: Solve for x
    x = 86,864,728,287.12/254,816.80
  6. Step 6: Final answer
    x = 340,890.90

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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.