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Finding the Fourth Proportional to 444,310, 666,396.56 and 144,789.84

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Solution

The fourth proportional to 444,310, 666,396.56 and 144,789.84 is: 217,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,310 : 666,396.56 = 144,789.84 : x
  2. Step 2: Convert to fraction form
    444,310/666,396.56 = 144,789.84/x
  3. Step 3: Cross multiply
    444,310x = 666,396.56 × 144,789.84
  4. Step 4: Simplify right side
    444,310x = 96,487,451,298.95
  5. Step 5: Solve for x
    x = 96,487,451,298.95/444,310
  6. Step 6: Final answer
    x = 217,162.46

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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.