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Finding the Fourth Proportional to 366,977.20, 550,811.40 and 227,009.20

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Solution

The fourth proportional to 366,977.20, 550,811.40 and 227,009.20 is: 340,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,977.20 : 550,811.40 = 227,009.20 : x
  2. Step 2: Convert to fraction form
    366,977.20/550,811.40 = 227,009.20/x
  3. Step 3: Cross multiply
    366,977.20x = 550,811.40 × 227,009.20
  4. Step 4: Simplify right side
    366,977.20x = 125,039,255,264.88
  5. Step 5: Solve for x
    x = 125,039,255,264.88/366,977.20
  6. Step 6: Final answer
    x = 340,727.59

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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.