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Finding the Fourth Proportional to 255,096.80, 382,645.20 and 227,103.20

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Solution

The fourth proportional to 255,096.80, 382,645.20 and 227,103.20 is: 340,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,096.80 : 382,645.20 = 227,103.20 : x
  2. Step 2: Convert to fraction form
    255,096.80/382,645.20 = 227,103.20/x
  3. Step 3: Cross multiply
    255,096.80x = 382,645.20 × 227,103.20
  4. Step 4: Simplify right side
    255,096.80x = 86,899,949,384.64
  5. Step 5: Solve for x
    x = 86,899,949,384.64/255,096.80
  6. Step 6: Final answer
    x = 340,654.80

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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.