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Finding the Fourth Proportional to 577,198.20, 866,672.10 and 444,228.60

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Solution

The fourth proportional to 577,198.20, 866,672.10 and 444,228.60 is: 667,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,198.20 : 866,672.10 = 444,228.60 : x
  2. Step 2: Convert to fraction form
    577,198.20/866,672.10 = 444,228.60/x
  3. Step 3: Cross multiply
    577,198.20x = 866,672.10 × 444,228.60
  4. Step 4: Simplify right side
    577,198.20x = 385,000,533,642.06
  5. Step 5: Solve for x
    x = 385,000,533,642.06/577,198.20
  6. Step 6: Final answer
    x = 667,016.17

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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.