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Finding the Fourth Proportional to 444,099.84, 666,076.80 and 191,311.76

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Solution

The fourth proportional to 444,099.84, 666,076.80 and 191,311.76 is: 286,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,099.84 : 666,076.80 = 191,311.76 : x
  2. Step 2: Convert to fraction form
    444,099.84/666,076.80 = 191,311.76/x
  3. Step 3: Cross multiply
    444,099.84x = 666,076.80 × 191,311.76
  4. Step 4: Simplify right side
    444,099.84x = 127,428,324,903.17
  5. Step 5: Solve for x
    x = 127,428,324,903.17/444,099.84
  6. Step 6: Final answer
    x = 286,936.21

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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.