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Finding the Fourth Proportional to 377,796.30, 566,694.45 and 218,145.30

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Solution

The fourth proportional to 377,796.30, 566,694.45 and 218,145.30 is: 327,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,796.30 : 566,694.45 = 218,145.30 : x
  2. Step 2: Convert to fraction form
    377,796.30/566,694.45 = 218,145.30/x
  3. Step 3: Cross multiply
    377,796.30x = 566,694.45 × 218,145.30
  4. Step 4: Simplify right side
    377,796.30x = 123,621,730,803.59
  5. Step 5: Solve for x
    x = 123,621,730,803.59/377,796.30
  6. Step 6: Final answer
    x = 327,217.95

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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.