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Finding the Fourth Proportional to 444,231.81, 666,347.18 and 144,711.90

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Solution

The fourth proportional to 444,231.81, 666,347.18 and 144,711.90 is: 217,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,231.81 : 666,347.18 = 144,711.90 : x
  2. Step 2: Convert to fraction form
    444,231.81/666,347.18 = 144,711.90/x
  3. Step 3: Cross multiply
    444,231.81x = 666,347.18 × 144,711.90
  4. Step 4: Simplify right side
    444,231.81x = 96,428,363,507.49
  5. Step 5: Solve for x
    x = 96,428,363,507.49/444,231.81
  6. Step 6: Final answer
    x = 217,067.67

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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.